ForNeVeR/O21

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FOSS remake of U95, an old submarine arcade game from 1995.

Stars: 30
Forks: 9
Open beginner issues: 0
Indexed issues: 51

Dominant language: F#
License: MIT
Last GitHub push: Sep 9, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

Open All

51 open issues indexed

Advanced gameplay: enemy behavior Open

enhancement

ForNeVeR/O21#27 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Bonus mechanics Open

enhancement help wanted

ForNeVeR/O21#29 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Score system Open

enhancement help wanted

ForNeVeR/O21#30 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Game About window Open

enhancement help wanted

ForNeVeR/O21#42 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
O21 logo Open

enhancement good first issue help wanted

ForNeVeR/O21#53 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Pass help encoding via a configuration file Open

enhancement help wanted

ForNeVeR/O21#57 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Help page: add design Open

enhancement help wanted

ForNeVeR/O21#61 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Improve text rendering Open

enhancement help wanted

ForNeVeR/O21#62 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
New endgame content Open

enhancement help wanted question

ForNeVeR/O21#71 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Two-digit live number Open

enhancement good first issue help wanted

ForNeVeR/O21#80 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
WASM build Open

enhancement help wanted

ForNeVeR/O21#83 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Records table Open

enhancement help wanted

ForNeVeR/O21#86 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Game executable icon Open

enhancement good first issue help wanted

ForNeVeR/O21#88 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Async help loading Open

enhancement help wanted status:blocked

ForNeVeR/O21#93 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Disclaimer page: add the language chooser Open

enhancement good first issue help wanted

ForNeVeR/O21#98 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Game settings file Open

enhancement help wanted

ForNeVeR/O21#99 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Show a download error message if unable to download the game content Open

enhancement good first issue help wanted

ForNeVeR/O21#100 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Localization system overhaul Open

enhancement good first issue help wanted

ForNeVeR/O21#101 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Proper async sound loading Open

enhancement good first issue help wanted

ForNeVeR/O21#102 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Cancellation during game loading Open

enhancement good first issue help wanted

ForNeVeR/O21#103 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Main program entry point rework (configuration, arguments) Open

enhancement good first issue help wanted

ForNeVeR/O21#104 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Game logging system Open

enhancement help wanted

ForNeVeR/O21#105 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Game action recording / replay system Open

enhancement help wanted

ForNeVeR/O21#106 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Online leader board Open

enhancement help wanted status:blocked

ForNeVeR/O21#107 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Excessive CPU usage Open

bug good first issue help wanted

ForNeVeR/O21#114 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Sound settings Open

enhancement help wanted status:blocked

ForNeVeR/O21#116 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Update game data storage scheme Open

enhancement good first issue help wanted

ForNeVeR/O21#117 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Player sprite animation and turning Open

enhancement good first issue help wanted

ForNeVeR/O21#122 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Proper player positioning in the level Open

enhancement good first issue help wanted

ForNeVeR/O21#124 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Proper player speed Open

enhancement good first issue help wanted

ForNeVeR/O21#125 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Bullets: use a persistent collection instead of a simple array Open

good first issue help wanted refactoring

ForNeVeR/O21#130 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Bullet velocity Open

enhancement good first issue help wanted

ForNeVeR/O21#131 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Command-line argument evolution Open

enhancement good first issue help wanted

ForNeVeR/O21#141 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Bonus support: player turning mechanic Open

enhancement help wanted

ForNeVeR/O21#144 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Incorrect calculation of new time Open

enhancement help wanted

ForNeVeR/O21#159 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Dependency Dashboard Open

dashboard

ForNeVeR/O21#165 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Game over scene is strangely scaled Open

bug good first issue help wanted

ForNeVeR/O21#194 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Better processing of several animation updates per one game time update Open

enhancement help wanted

ForNeVeR/O21#206 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Developer console Open

enhancement help wanted

ForNeVeR/O21#215 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Split bomb and fish collision check Open

enhancement good first issue help wanted

ForNeVeR/O21#229 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Compare bullet vertical spread with the original Open

enhancement help wanted

ForNeVeR/O21#236 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Compare the lifebuoy spawn chance with the original Open

enhancement help wanted

ForNeVeR/O21#237 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Compare the life bonus spawn chance with the original Open

enhancement help wanted

ForNeVeR/O21#238 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Player should keep direction when horizontal speed is zero Open

bug good first issue help wanted

ForNeVeR/O21#241 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Reduce size of game binaries Open

enhancement help wanted

ForNeVeR/O21#249 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
ARM64 support for Windows and Linux Open

enhancement help wanted

ForNeVeR/O21#251 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Compile for Windows subsystem on Windows OS Open

enhancement help wanted

ForNeVeR/O21#252 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Game Over screen should have a corresponding sound Open

enhancement good first issue help wanted

ForNeVeR/O21#253 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Reproducible entity identifiers Open

good first issue help wanted refactoring

ForNeVeR/O21#274 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Level should be size-aware Open

enhancement good first issue help wanted

ForNeVeR/O21#275 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

ForNeVeR/O21

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