Umbrajax
The void is hungry. You're what's for dinner.
UMBRAJAX is an arcade survival shooter. Last interceptor, guns fire themselves — you just fly. Thread the swarm, draft your build mid-run, try not to die.
- 8-level campaign — First Contact through Umbrajax Prime. Survive the timer, clear the level, unlock the next.
- Endless mode — no timer, no mercy. Difficulty scales forever. For the sickos.
- 50 weapons — knockback coils, rerolls, builds that slap.
- Damage you can see — snap a mauler's nose clean off, crater the bastions with bullet dents.
Void surges sweep through on a timer — swarms warp in and the soundtrack turns dark. Level up to draft 1 of 3: a new weapon, a weapon level, or a stat boost. Dash through danger on a cooldown and chain kills into Frenzy.



Drag or WASD. Landscape only, built phone-first. How long you got?
Terms, privacy & refunds: github.com/Alexrgn/umbrajax-legal
| Published | 12 days ago |
| Status | Released |
| Platforms | HTML5 |
| Author | Ploovius |
| Genre | Action, Shooter, Survival |
| Tags | Arcade, browser, Bullet Hell, mobile, Sci-fi, Singleplayer, Space, survivors-like |
| Average session | About a half-hour |
| Inputs | Keyboard, Mouse, Touchscreen |
| Accessibility | Interactive tutorial |
| Content | No generative AI was used |
Development log
- UMBRAJAX is out. Go die in space.12 days ago






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