Ouroboros TD
A downloadable game for Android
Ouroboros TD is a fast-paced pixel-art tower defense roguelite about building quickly, adapting to an unpredictable enemy, and surviving as long as you can.
Every run begins on a procedurally generated grid with a new path to defend. Build your economy, unlock new technology, place your defenses, and constantly adapt as increasingly dangerous enemies begin gaining traits that change the rules of the fight.
There is no single perfect build.
A strategy that dominates one run may fall apart in the next. Enemy traits arrive in a different order, maps change how your towers can cover the path, and limited resources force you to decide whether to invest in your economy, expand your defenses, or prepare for what is coming next.
As the waves escalate, so does the chaos.
Stealth enemies slip past defenses that cannot detect them. Shields must be broken before damage can get through. Regenerating enemies can undo your progress. Haste, Steel, Juggernaut, Support and other traits force you to rethink which towers you rely on and how they work together.
Build a defense capable of adapting before the swarm overwhelms you.
Features
- Procedurally generated maps — Every run gives you a new battlefield and path to defend.
- 18 unique towers across three technology tiers, each filling a different role.
- Enemy trait system that changes how enemies behave and how you need to counter them.
- Randomized trait progression means threats develop differently from run to run.
- Economy management — Invest in income early or spend everything surviving the next wave.
- Tower upgrades and research that let you shape your strategy as the run develops.
- Specialized counters and synergies — Detection, slows, armor reduction, regeneration suppression and more become increasingly important.
- Targeting controls for fine-tuning how your defenses prioritize enemies.
- Escalating survival gameplay where builds are pushed harder the longer you survive.
- Shareable map seeds — Replay interesting layouts or challenge someone else to survive your worst maps.
- Pixel-art presentation built around quick, readable battles and increasingly ridiculous late-game waves.
Build. Adapt. Survive.
Ouroboros TD is designed around short, replayable runs where improvisation matters just as much as planning.
The map changes.
The enemies change.
Your build has to change with them.
How long can you keep the cycle going?
| Updated | 7 days ago |
| Status | Released |
| Platforms | Android |
| Rating | Rated 4.0 out of 5 stars (1 total ratings) |
| Author | Moth |
| Genre | Strategy |
| Made with | Unity |
| Tags | base-building, infinite-survival, Pixel Art, Procedural Generation, randomized-runs, replayability, Roguelite, seeded-maps, Tower Defense, upgrade-tree |
| Average session | A few minutes |
| Inputs | Mouse, Touchscreen |
| AI Disclosure | AI Assisted, Code |
Purchase
In order to download this game you must purchase it at or above the minimum price of $4.99 USD. You will get access to the following files:
Development log
- Ouroboros TD — FULL RELEASE V1.0!!!7 days ago
- Pixel Defense / Ad Ultimum TD — Final Devlog and Major Update!26 days ago
- Ad Ultimum TD 0.18.12 — Economy Overhaul, New Tower, AI Art Removal36 days ago
- Ad Ultimum TD 0.2.17.11 — Corrosive Infection and Balance40 days ago
- Pixel Defense — 0.2.15.10 Haste Trait, Polish, Balancing, Sniper Reintroductio...41 days ago
- Pixel Defense Hotfix - Quick Follow-Up Patch45 days ago
- Pixel Defense Update 0.2.14.8 — The Needaliter, Open Tech Tree, Sniper Removal...45 days ago
- Pixel Defense Update 0.2.13.7 — Splash Logo, Tutorial, and You Guessed It… B...46 days ago









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