IMHO.

PolygonDuty vs StalSide

PolygonDuty and StalSide both land in Action, Indie, Adventure on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Action, Indie, Adventure on Steam. PolygonDuty (2021) is 5 years older than StalSide (2026). Both support cooperative play. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose PolygonDuty

Choose PolygonDuty if it matches what drew you to this matchup. PolygonDuty launched in 2021.

Choose StalSide

Choose StalSide if you want a Simulation and Massively Multiplayer experience. On Steam, it's the newer release (2026) and ships with the modern feature baseline. StalSide launched in 2026.

Both PolygonDuty and StalSide sit in Action, Indie, and Adventure on Steam and both list Multi-player, Online PvP, and Online Co-op, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

PolygonDuty vs StalSide — Steam metadata comparison
PolygonDuty — Steam game coverPolygonDutyStalSide — Steam game coverStalSide
Released20212026
GenresAction, Indie, AdventureAction, Indie, Adventure, Simulation, Massively Multiplayer
PlatformsWindowsWindows
Steam DeckUnratedUnrated
Price5.00 USDPrice unknown
Steam reviews3 reviews
MultiplayerMulti-player, Online Co-op, LAN Co-opMulti-player, Online Co-op, LAN Co-op
DevelopersMobster

Side by side

PolygonDuty vs StalSide — FAQ

Should I play PolygonDuty or StalSide first?
If you want chronology, PolygonDuty (2021) came out before StalSide (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are PolygonDuty and StalSide similar?
They overlap on Action, Indie, Adventure on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
Do both PolygonDuty and StalSide have co-op?
Yes — both list a co-op category on Steam. Specifics differ: PolygonDuty ships Online Co-op, LAN Co-op; StalSide ships Online Co-op, LAN Co-op.
PolygonDuty vs StalSide — Verdict (2026) · imho.run