Bubble Bastion

Bubble Bastion reimagines the factory-building genre with a singular twist: one bubble to rule them all. In this game, the player’s sole focus is on nurturing and expanding a giant, ever-growing bubble while defending it from hostile sea life that seeks to pop it. As the bubble grows, players must strategically fortify it with upgrades and deploy defenses to fend off waves of aquatic foes. The challenge lies in balancing growth and protection, creating a tense yet satisfying gameplay loop. With dynamic underwater visuals and fast-paced encounters, it’s a unique blend of strategy, survival, and expansion in a bubble-based battlefield.

Controls:
- WSAD to move the camera
- R to rotate buildings
- LMB to place buildings
- RMB to dismantle buildings

Building costs:
- Conveyor: 1x Copper
- Splitter: 4x Algae, 4x Copper
- Algae Farm: 1x Copper
- Miner: 2x Algae, 2x Copper
- Smelter: 8x Algae, 8x Coal, 8x Copper
- Turret: 12x Coal, 12x Copper
- Chest: 5x Algae, 5x Copper
- Air Factory: 25x Algae, 25x Coal, 10x Copper, 3x Iron, 1x Gold

And all ingots are viable ammunition for the turret:
- Copper: 1 DMG
- Gold: 2 DMG
- Iron: 4 DMG
- Titanium: 12 DMG

Made for PolyJam 2025