Announcement
v0.1.18v0.1.18
Control rework: Upgraded from group control to single-polygon control for more direct, precise play New content: Piston puncher upgrade (directional knockback) and two new enemies — acid & base engulf slimes Visual upgr…
Steam
Polygon War
Also known as Polygon War, polygon war, polygon-war
A 2D comic-style squad survival game. Command triangle, square, and pentagon characters through waves of increasing difficulty. Mount weapons on every edge — blades, guns, flamethrowers, and more. Stack same weapons for gear combo bonuses. Burn, freeze, or shatter foes using material weaknesses.
Last update
21 Jun 2026
Original sources
1
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Latest updates
Update history
Browse past updates and patch notes for this game.
- June 2026
- v0.1.17New Added the Hand Warmer shield, which restores the wearer back to normal temperature when they get too cold. Life Pedals now spawn a Life Treasure at the finish point. Optimization Improved Bastion enemy routing, spaw…
- v0.1.16New Added random maze-wall terrain to Bastion, making each run’s routes and combat space more varied. Added the Treasure Goblin to Bastion, rewarding players with extra gold and treasure if defeated before it escapes. O…
- May 2026
- v0.1.15New Hexagon enemy — on death, becomes a soul that chases the nearest ally and unleashes a random fire/ice/acid/base zone. Three new Bastion upgrades — Area Net (mass ensnare), Life Plate (heals after standing 10s), Trea…
- v0.1.14adds the new anchor tag system, several new Bastion upgrades, and clearer equipment selection and upgrade previews. This update also improves combat feedback, item pacing, and late-game damage scaling, while fixing sele…
- v0.1.13New 8 new Bastion upgrades: Sand Slow, Status Shrine, Acid/Alkali Sprinkler, Phase Grass, War Banner, Magnet, Auto Hook, Status Ball Toss New "Quicksand" disaster, mirroring "Wind" X/Y gamepad shortcuts on Pause / Round…
- New New Bastion mode: defend the central altar Reworked altar with red flash, ripple, and punch on hit Treasure pickups (endpoint life / gold / XP); altar also flings treasures when struck Natural disasters now occur in…Security
- April 2026
- v0.1.11New New enemy Rhombus bomber — detonates a cone-shaped pH spill on impact/death Coin pickup: golden +1 popup and coin-chime SFX Camera zoom now scales from a 2K baseline across resolutions Optimization Difficulty system…
- v0.1.10-20260419New New Blizzard disaster: ice orbs charge up and burst, dealing physical + cold damage and slowing / freezing on hit. New Wind disaster: a square gust pushes every unit along its direction — even stunned or frozen ones…
- v0.1.9-20260411.1New Natural disaster: Lightning Strike — random bolts now sweep the arena. Universal stun system — lightning can now stun targets. Frost overlay visual for frozen / chilled characters. Optimization EffectCell shader now…
- New Natural Disaster: Ground Fire Eruption — Arena mode now features environmental hazards with ground fire eruptions French Localization — Added French (fr) language support; fixed shop example formulas in Spanish and…Store
- March 2026
- v0.1.7-20260327.1 updateNew Polygons now leave tank tread marks on the ground as they move, adding a sense of weight and presence Polygons have a subtle idle vibration effect, simulating a tank engine idling Water Shield now displays a range c…
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