VCCC 2025

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Party

VCCC 2025

1st - 28th December 2025
Online
https://logiker.com/VCCC2025

Other VCCC parties:

2021
2022
2023
2024
2025

Results

Christmas Snowflake Challenge
Wild

Christmas Snowflake Challenge

1	Snowflake (Sinclair ZX Spectrum/Z80 Assembler) ZX Spectrum - Code Challenge	Dr. BEEP	33
2	Snowflake (Sinclair ZX Spectrum/Z80 Assembler) ZX Spectrum - Code Challenge	Neon / Darklite	35
3	Snowflake (Sinclair ZX81/Z80 Assembler) ZX81 - Code Challenge	Serato	36
3	Snowflake (Sinclair ZX Spectrum/Z80 Assembler) ZX Spectrum - Code Challenge	Serato	36
5	Snowflake (Commodore C64/Assembler) Commodore 64 - Code Challenge	Serato	37
5	Snowflake (Amstrad CPC/Z80 Assembler) Amstrad CPC - Code Challenge	Overflow / Logon System	37
7	VCCC Snowflake (Sinclair ZX Spectrum/Z80 Assembler) ZX Spectrum - Code Challenge	Joker	41
8	Snowflake (Amstrad CPC/Z80 Assembler) Amstrad CPC - Code Challenge	Longshot / Logon System	45
9	Snowflake (BK-0010/MACRO-11 assembler) Electronika BK-0010/11M - Code Challenge	Sergey Pavlov	48
9	Snowflake (Commodore C64/6502 Assembler (acme)) Commodore 64 - Code Challenge	Bitbreaker / Performers	48
9	Snowflake (Amstrad CPC/Z80 Assembler) Amstrad CPC - Code Challenge	arnolde / Leosoft	48
9	Snowflake (PC/Assembler) MS-Dos - Code Challenge	pdw	48
9	Snowflake (PC/APL) MS-Dos - Code Challenge	pdw	48
14	Snowflake (Commodore C64/6502 Assembler (Kick Assembler)) Commodore 64 - Code Challenge	Frostbyte / Artline Designs	49
15	Snowflake (Commodore C64/6502 Assembler (Kick Assembler)) Commodore 64 - Code Challenge	ssusnic	50
16	Snowflake (Commodore C64/6502 Assembler (64tass)) Commodore 64 - Code Challenge	Soci / Singular Crew	55
17	Snowflake (PC/Assembler) MS-Dos - Code Challenge	TomCat	56
17	Snowflake (BBC Micro/6502 Assembler) BBC Micro - Code Challenge	Matt Shepcar	56
17	Snowflake (TRS-80 Model 2/Z80 Assembler) TRS-80 - Code Challenge	George Phillips	56
20	Snowflake (Commodore VIC-20/6502 Assembler (Kick Assembler)) Commodore VIC-20 - Code Challenge	ssusnic	58
21	Snowflake (Commodore C64/6502 Assembler (Kick Assembler)) Commodore 64 - Code Challenge	DNP	59
21	Snowflake (PC/Assembler) MS-Dos - Code Challenge	WladAsm	59
23	Snowflake (BBC Master 128/65C02 assembler) BBC Micro - Code Challenge	David Payne	62
23	Snowflake (Amstrad CPC/Z80 Assembler) Amstrad CPC - Code Challenge	Gallegux	62
23	Snowflake (Commodore VIC-20/6502 Assembler) Commodore VIC-20 - Code Challenge	STK	62
26	Snowflake (BBC Micro/6502 Assembler) BBC Micro - Code Challenge	David Payne	64
26	Snowflake (Commodore C64/Assembler) Commodore 64 - Code Challenge	Saturnus The Invincible / Swiss Cracking Association	64
28	Snowflake (Amstrad CPC/Z80 Assembler) Amstrad CPC - Code Challenge	gurneyh	65
28	Snowflake (Commodore C64/6502 Assembler) Commodore 64 - Code Challenge	GeirS	65
28	Snowflake (PC/x86 Assembler) MS-Dos - Code Challenge	Xeleh	65
31	Snowflake (Sinclair ZX Spectrum/Z80 Assembler) ZX Spectrum - Code Challenge	peterf	68
31	Snowflake (MEGA65/4510 Assembler) Custom Hardware - Code Challenge	GeirS	68
31	Snowflake (Sinclair ZX Spectrum/Z80 Assembler) ZX Spectrum - Code Challenge	DarthNOdlehS	68
34	Snowflake (IBM PC/8086 Assembler) MS-Dos - Code Challenge	Harm Backer	69
34	Snowflake (Commodore C64/Assembler (ACME)) Commodore 64 - Code Challenge	Andre Miller	69
36	Snowflake (Atari XE/XL/6502 Assembler) Atari 8 bit - Code Challenge	F#READY	70
36	Snowflake (BBC Micro/BBC BASIC) BBC Micro - Code Challenge	David Payne	70
38	Snowflake (Apple II/6502 Assembler (ca65)) Apple II - Code Challenge	Colin Leroy-Mira	71
39	Snowflake (Commodore C64/6502 Assembler) Commodore 64 - Code Challenge	geehaf	72
40	Snowflake (IBM PC/Assembler) MS-Dos - Code Challenge	atsampson	76
40	Snowflake (PC/APL) MS-Dos - Code Challenge	raul76	76
42	Snowflake (Amstrad CPC/Z80 Assembler) Amstrad CPC - Code Challenge	issalig	77
42	Snowflake (Sinclair ZX Spectrum/Z80 Assembler) ZX Spectrum - Code Challenge	spaceWumpus	77
44	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	Serato	79
44	Snowflake (Commodore C64/Assembler) Commodore 64 - Code Challenge	Poison / Singular Crew	79
44	Snowflake (Amstrad CPC/Z80 Assembler) Amstrad CPC - Code Challenge	BSC	79
47	Snowflake (PC/Assembler) MS-Dos - Code Challenge	dplass	80
47	Snowflake (BBC Micro/6502 Assembler (MASM)) BBC Micro - Code Challenge	regregex	80
47	Snowflake (Commodore C64/6502 Assembler) Commodore 64 - Code Challenge	TGS	80
47	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	Logiker	80
51	Snowflake (Commodore C64/Assembler) Commodore 64 - Code Challenge	Ervin / Abaddon	82
51	Snowflake (PC/Assembler) MS-Dos - Code Challenge	spark2k06	82
51	Snowflake (BBC Micro/BBC BASIC) BBC Micro - Code Challenge	gfoot	82
51	Snowflake (Apple II/6502 Assembler) Apple II - Code Challenge	kgjenkins	82
55	Snowflake (Amiga/Assembler) Amiga OCS/ECS - Code Challenge	Losso / AttentionWhore	84
56	Snowflake (Commodore PET/6502 Assembler) Commodore PET - Code Challenge	dplass	85
56	Snowflake (BK-0010/Assembler) Electronika BK-0010/11M - Code Challenge	Terra	85
56	Snowflake (Thomson TO8/6809 Assembler v3) Thomson - Code Challenge	sam	85
59	Snowflake (Commodore C64/6502 Assembler) Commodore 64 - Code Challenge	DDT	86
60	Snowflake (Apple II/6502 Assembler) Apple II - Code Challenge	Jerry Penner	87
60	Snowflake (PC/05AB1E) MS-Dos - Code Challenge	raul76	87
60	Snowflake (Amstrad CPC/Z80 Assembler) Amstrad CPC - Code Challenge	lightforce6128	87
63	Snowflake (Commodore C64/6502 Assembler (ca65)) Commodore 64 - Code Challenge	Sean Gugler	88
64	Snowflake (PC/Assembler) MS-Dos - Code Challenge	Sergey	90
64	Snowflake (PC/Assembler) MS-Dos - Code Challenge	izne	90
66	Snowflake (Commodore VIC-20/6502 Assembler) Commodore VIC-20 - Code Challenge	Lechuck	91
67	Snowflake (Commodore 64/6502 Assembler) Commodore 64 - Code Challenge	Codey	92
68	Snowflake (Atari XE/XL/6502 Assembler) Atari 8 bit - Code Challenge	Nosty	93
69	Snowflake (BBC Micro/BBC BASIC) BBC Micro - Code Challenge	regregex	94
69	Snowflake (Commodore C64/ACME Assembler) Commodore 64 - Code Challenge	YPS	94
69	Snowflake (Amiga/Assembler) Amiga OCS/ECS - Code Challenge	Saturnus The Invincible / Swiss Cracking Association	94
69	Snowflake (KC 85/4/Z80 Assembler) KC 85/Robotron KC 87 - Code Challenge	dOc.K	94
73	Snowflake (Videoton TV Computer/Z80 Assembler) Custom Hardware - Code Challenge	Geco	95
73	Snowflake (Commodore C64/6502 Assembler) Commodore 64 - Code Challenge	JoeyC64	95
75	Snowflake (Sharp X68000/NOWUT 0.35 68000 assembly) Sharp X68000 - Code Challenge	bakemono	98
75	Snowflake (Bell PDP11 Unix/PDP11) Custom Hardware - Code Challenge	Jonathan Harston	98
77	Snowflake (Enterprise 64/128/Z80 Assembler) Enterprise - Code Challenge	Geco	102
78	Snowflake (Commodore C128/BASIC V7.0) Commodore 128 - Code Challenge	STK	103
79	Snowflake (PC/Ruby) MS-Dos - Code Challenge	Jinks / Retrowiki	104
80	Snowflake (Commodore C64/6502 Assembler) Commodore 64 - Code Challenge	The Destroyer 1334	106
81	Snowflake (ZX Spectrum 48k/Z80 Assembler) ZX Spectrum - Code Challenge	zoon	107
82	Snowflake (Commodore PET/BASIC) Commodore PET - Code Challenge	dplass	110
82	Snowflake (PC/Python) MS-Dos - Code Challenge	STK	110
84	Snowflake (BBC Micro/6502 Assembler) BBC Micro - Code Challenge	TwoPosts	111
85	Snowflake (Amiga/Assembler) Amiga OCS/ECS - Code Challenge	DrSnuggles	114
86	Snowflake (Any BBC BASIC/BBC BASIC) BBC Micro - Code Challenge	Jonathan Harston	115
87	Snowflake (Acorn Archimedes/ARM Assembler (BBC BASIC V)) Acorn Archimedes - Code Challenge	regregex	116
87	Snowflake (PC/Perl) MS-Dos - Code Challenge	regregex	116
87	Snowflake (Motorola 6800 Trainer (XK-300) with MIKBUG/6800 Assembler) Custom Hardware - Code Challenge	dadecoza	116
90	Snowflake (Acorn BBC Micro/BBC BASIC 2) BBC Micro - Code Challenge	baz4096	118
91	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	YPS	119
92	Snowflake (PlasMa/PleX) Custom Hardware - Code Challenge	Phil Tipping	120
93	Snowflake (BBC Micro/BBC BASIC) BBC Micro - Code Challenge	iamsi	122
93	Snowflake (TRS-80 Model 3/Disk BASIC) TRS-80 - Code Challenge	George Phillips	122
95	Snowflake (Atari XE/XL/FAST BASIC 4.7) Atari 8 bit - Code Challenge	Eric Carr	123
96	Snowflake (Color Computer 3/DISK EXTENDED COLOR BASIC 2.1) TRS-80 - Code Challenge	Tazman	124
96	Snowflake (Several Platforms like Dragon Data 32, C64, CPC, ZX, PC, Coco, etc./ugBASIC) Amstrad CPC, Commodore 64, TRS-80, ZX Spectrum - Code Challenge	spotlessmind1975	124
98	Snowflake (Amstrad CPC/Locomotive BASIC) Amstrad CPC - Code Challenge	arnolde / Leosoft	126
99	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	CLuB77	127
99	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	atomcode	127
101	Snowflake (Commodore C64/6502 Assembler) Commodore 64 - Code Challenge	JoeNash	129
102	Snowflake (Atari XE/XL/6502 Assembler) Atari 8 bit - Code Challenge	Mira	130
103	Snowflake (Tandy 200/BASIC) TRS-80 - Code Challenge	dplass	132
104	Snowflake (Squale Apollo 7/Assembler (a09)) Custom Hardware - Code Challenge	sam	133
105	Snowflake (PC/GW-BASIC) MS-Dos - Code Challenge	Povi	139
106	Snowflake (PC/C) MS-Dos - Code Challenge	dplass	140
107	Snowflake (Alice32/6308) Custom Hardware - Code Challenge	MrDave6309	141
108	Snowflake (BBC Micro/BBC BASIC) BBC Micro - Code Challenge	BeebMaster	143
109	Snowflake (MSX/BASIC) MSX - Code Challenge	Kotoni Kaido	144
109	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	AdamMich	144
111	Snowflake (Commodore C64/BASIC) Commodore 64 - Code Challenge	joecommodore	146
111	Snowflake (Commodore C64/6502 Assembler) Commodore 64 - Code Challenge	CmdrJameson	146
113	Snowflake (MEGA65/BASIC65) Custom Hardware - Code Challenge	Tayger	148
113	Snowflake (Apple II/Applesoft) Apple II - Code Challenge	mmphosis	148
113	Snowflake (PC/Python) MS-Dos - Code Challenge	Logiker	148
116	Snowflake (Acorn Atom/Atom BASIC) BBC Micro - Code Challenge	regregex	149
117	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	TGS	151
118	Snowflake (Browser/WebAssembly) Browser - Code Challenge	1e1001	152
119	Snowflake (Commodore C16/116/232/264/Plus4/Commodore Basic v3.5) Commodore 16/Plus 4 - Code Challenge	FeCO	154
120	Snowflake (Dragon 32/Dragon BASIC) Custom Hardware - Code Challenge	Sixxie	157
121	Snowflake (Commodore VIC-20/Assembler) Commodore VIC-20 - Code Challenge	Shiela	158
122	Snowflake (Sinclair ZX Spectrum/BASIC) ZX Spectrum - Code Challenge	regregex	159
122	Snowflake (PC with Windows 11/Wolfram Mathematica) Windows - Code Challenge	Fredrik Ingvarson	159
122	Snowflake (Acorn BBC Micro/BBC BASIC) BBC Micro - Code Challenge	atsampson	159
125	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	mrdoornbos	161
126	Snowflake (Amstrad CPC/Locomotive BASIC) Amstrad CPC - Code Challenge	issalig	168
127	Snowflake (DEC PDP-11/UNIX v4 C) Custom Hardware - Code Challenge	atsampson	172
128	Snowflake (BBC Micro/BBC BASIC V2) BBC Micro - Code Challenge	Flaxcottage	173
129	Snowflake (Amstrad CPC/Locomotive BASIC) Amstrad CPC - Code Challenge	Zima	174
130	Snowflake (Atari XE/XL/Atari BASIC) Atari 8 bit - Code Challenge	Vitoco	176
131	Snowflake (Atari XE/XL/Turbo-BASIC XL) Atari 8 bit - Code Challenge	DonkeyKongVet	177
132	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	Gray Defender	178
133	Snowflake (Commodore C64/BASIC) Commodore 64 - Code Challenge	Matt Pilz	187
133	Snowflake (Videoton TVC/TVC Basic) Custom Hardware - Code Challenge	FeCO	187
135	Snowflake (Mattel Aquarius/BASIC) Custom Hardware - Code Challenge	Matt Pilz	189
136	Snowflake (Oric/BASIC) Oric - Code Challenge	Kenneth	197
136	Snowflake (Sinclair ZX Spectrum/BASIC) ZX Spectrum - Code Challenge	peterf	197
138	Snowflake (PC/PHP) MS-Dos - Code Challenge	DrSnuggles	198
138	Snowflake (PC/Python) MS-Dos - Code Challenge	raul76	198
140	Snowflake (Oric/BASIC) Oric - Code Challenge	gliou	202
141	Snowflake (Python) Code Challenge	KrzysztofD	203
141	Snowflake (Amstrad CPC/Locomotive BASIC) Amstrad CPC - Code Challenge	DrSnuggles	203
143	Snowflake (Atari XE/XL/Turbo-BASIC XL) Atari 8 bit - Code Challenge	OxC0FFEE	206
143	Snowflake (PC/JavaScript) Browser - Code Challenge	DrSnuggles	206
145	Snowflake (Amiga/E) Amiga OCS/ECS - Code Challenge	Nicalejo	209
146	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	Lodovik	221
147	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	moiree	222
147	Snowflake (Commodore C128/BASIC V7.0) Commodore 128 - Code Challenge	maba	222
149	Snowflake (Commodore VIC-20/BASIC V2) Commodore VIC-20 - Code Challenge	Shiela	223
150	Snowflake (EDSAC/Initial Orders 2) Custom Hardware - Code Challenge	regregex	228
151	Snowflake (Sinclair ZX Spectrum 48K/BASIC) ZX Spectrum - Code Challenge	Kaszi75	231
152	Snowflake (BBC Micro/BBC BASIC) BBC Micro - Code Challenge	Jonno	235
153	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	maba	236
153	Snowflake (Commodore VIC-20/BASIC V2) Commodore VIC-20 - Code Challenge	maba	236
155	Snowflake (Atari XE/XL/Atari Load File Format) Atari 8 bit - Code Challenge	Ken Jennings	249
156	Snowflake (Sinclair ZX Spectrum/BASIC) ZX Spectrum - Code Challenge	4ekPoint	258
157	Snowflake (Sinclair ZX Spectrum/BASIC) ZX Spectrum - Code Challenge	DarthNOdlehS	271
158	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	loudscotsbloke	272
158	Snowflake (Commodore PET/BASIC V4.0) Commodore PET - Code Challenge	loudscotsbloke	272
158	Snowflake (Commodore 16/Plus4/BASIC V3.5) Commodore 16/Plus 4 - Code Challenge	loudscotsbloke	272
161	Snowflake (Atari XL/XE/Atari BASIC) Atari 8 bit - Code Challenge	eparent	282
162	Snowflake (Sinclair ZX Spectrum/BASIC) ZX Spectrum - Code Challenge	Jacc	290
162	Snowflake (Amiga/Assembler-Bootloader) Amiga OCS/ECS - Code Challenge	DrSnuggles	290
164	Snowflake (Vic-20/CBM BASIC V2) Commodore VIC-20 - Code Challenge	FaiRLane	294
165	Snowflake (Commodore C128/BASIC V7.0) Commodore 128 - Code Challenge	loudscotsbloke	297
166	Snowflake (Sinclair ZX81/Sinclair BASIC) ZX81 - Code Challenge	Manzolli	301
167	Snowflake (Sinclair ZX Spectrum/Sinclair BASIC) ZX Spectrum - Code Challenge	Frank Breuer	311
168	Snowflake (Home Brew SBC/6809 assembler) Custom Hardware - Code Challenge	Ken Willmott	322
169	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	Mephisztoe	335
170	Snowflake (Commodore PET/APL) Commodore PET - Code Challenge	solarbreeze	341
171	Christmas Star 2025 Commodore 16/Plus 4 - Code Challenge	George	347
172	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	FieserWolf / Abyss-Connection	358
172	Snowflake (Amstrad CPC/Locomotive BASIC) Amstrad CPC - Code Challenge	Pararaum	358
174	Snowflake (PC/Julia) MS-Dos - Code Challenge	Mira	367
174	Snowflake (Atari XE/XL/Forth) Atari 8 bit - Code Challenge	Mira	367
176	Snowflake (Jupiter Ace/Forth) Custom Hardware - Code Challenge	viri	373
177	Snowflake (Atari XE/XL/PILOT) Atari 8 bit - Code Challenge	Mira	378
178	Snowflake (Commodore C64/BASIC) Commodore 64 - Code Challenge	Tonny de Jong	399
179	Snowflake (Vectrex/6809 assembly) Vectrex - Code Challenge	MrDave6309	416
180	Snowflake (Atari XE/XL/BASIC) Atari 8 bit - Code Challenge	Ixel	439
181	Snowflake (Commodore VIC-20/BASIC V2) Commodore VIC-20 - Code Challenge	JavaJack	443
182	Snowflake (Apple II/Forth) Apple II - Code Challenge	circfruit	449
183	Snowflake (IBM PC/AWK) MS-Dos - Code Challenge	Ben Collver	474
184	Snowflake (Commodore C64/cc65) Commodore 64 - Code Challenge	devwebcl	529
185	Snowflake (Oric Atmos/BASIC) Oric - Code Challenge	DidierV	573
186	Snowflake (Timex Sinclair 2068/Sinclair Basic) ZX Spectrum - Code Challenge	TS2068User	620
187	Snowflake (Commodore C64/BASIC V2) Commodore 64 - Code Challenge	JOCHWAT	677
188	Snowflake (Apple II/C (cc65)) Apple II - Code Challenge	circfruit	760
189	Snowflake (Atari ST/BASIC) Atari ST/E - Code Challenge	RectaPete	894
190	Snowflake (Atari XE/XL/ugBASIC v1.17.2) Atari 8 bit - Code Challenge	CASH	947

Wild

1	Giant Snowflakes Commodore 64 - Demo	Geir Straume
1	Mega Snowflake Demo	geehaf
1	Let it Snow ZX Spectrum Enhanced - Demo	matalog
1	VCCC2025 PICO-8 - Demo	izne
2	Winter Demo 25 Java - Demo	KrzysztofD
2	moresnowflakes Commodore 64 - Demo	atomcode
2	Winter Intro Commodore 64 - Cracktro	Blazon
2	Atari Snowflakey Demo Atari 8 bit - Demo	Ken Jennings
2	Christmas Snowflake Bally Edition Demo	Matt Pilz
2	VCCC2025s MS-Dos - Demo	izne
2	Wild Snowflakes Appear [128b] Commodore 64 - 128b Intro	Frostbyte
2	Snowflakes in turtle graphics in Atari Logo Atari 8 bit - Demo	Mira
2	Escape-sequence snowflake Enterprise - Demo	SlashNet
2	Sega Sg 1000 Snowflake Demo	MrDave
2	Memories25 ZX Spectrum - Demo	DarthNOdlehS
3	XMAS-DirArt Commodore 64 - Demo	Blazon
3	Snowflake Girls Coco3 Custom Hardware - Graphics	MrDave
3	Snowflake title page PDP-11 Demo	Jonathan Harston

Last edited on 31 Dec 2025 by logiker. See all edits

VCCC 2025

Organisers

Results file

External links

Results

Christmas Snowflake Challenge

Wild

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