IMHO.

Forts vs Lost Existence

Forts and Lost Existence both land in Action, Indie 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 on Steam. Forts (2017) is 4 years older than Lost Existence (2021). Forts scores higher on Steam reviews (93.4% positive) than Lost Existence (69.4% positive). 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 Forts

Choose Forts if you want a Strategy game with Steam Leaderboards. 8,557 Steam reviews back the pick.

Choose Lost Existence

Choose Lost Existence if you want an Adventure and RPG experience. On Steam, it's free to play, so the barrier to trying it is zero. Lost Existence launched in 2021.

Both Forts and Lost Existence sit in Action and Indie 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

Forts vs Lost Existence — Steam metadata comparison
Forts — Steam game coverFortsLost Existence — Steam game coverLost Existence
Released20172021
GenresAction, Strategy, IndieAction, Indie, Adventure, RPG
PlatformsWindowsWindows
Steam DeckDeck PlayableUnrated
Price14.99 USDFree to play
Steam reviews93.4% positive (8,557 reviews)69.4% positive (49 reviews)
MultiplayerMulti-player, Online Co-op, LAN Co-opMulti-player, Online Co-op, LAN Co-op
DevelopersEarthWork GamesLurid Spectre Games

Side by side

Forts vs Lost Existence — FAQ

Should I play Forts or Lost Existence first?
If you want chronology, Forts (2017) came out before Lost Existence (2021). 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 Forts and Lost Existence similar?
They overlap on Action, Indie 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 Forts and Lost Existence have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Forts ships Online Co-op, LAN Co-op; Lost Existence ships Online Co-op, LAN Co-op.
Is Lost Existence free?
Yes — Lost Existence is a free-to-play Steam title. Forts is paid (14.99 USD).
Does Forts run on Steam Deck?
Yes — Forts is rated Deck Playable by Valve. Lost Existence doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Forts vs Lost Existence — Verdict (2026) · imho.run