
Minimalist colorful shoot 'em up with a story! Play as the yellow hero trying to get back the essential item taken away from him in a world divided by forms and colors. Will our hero get it back?
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026

Combo based score system
Score multiplier increases by destroying wave combos!
Easy to see combo timer to track your combo status!
Extra score mechanisms!
Steam Leaderboard!

Progression reveals story! Finishing every level of the game opens up a new segment of the story.

2.5D Shooter with a unique minimalist cartoony style and a quirky story. Enjoy the thrill and simplicity of a 2D shooter with 3D graphics!
Each of the 5 levels is distinctively designed. First level is made out of cubes only, while the second of nothing but spheres and the third from capsules to match the story and lore of the game.
Lots of enemy types and 4 Bosses. All with unique mechanisms.

This is the place to start! New players can complete the game while experienced players will pick up the challenge of achieving high scores. This game is short but it will take time to achieve high scores.
Lowest tracked price: €2.49 (Jul 7, 2026) · current best: €4.99.
100% positive reviews all-time.
Right now the cheapest offer for Shmup Boss is €4.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Shmup Boss is €2.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Shmup Boss drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.