IMHO.

Arma 3 vs Operation: Harsh Doorstop

Arma 3 and Operation: Harsh Doorstop both land in Action, Strategy, Simulation 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, Strategy, Simulation on Steam. Arma 3 (2013) is 10 years older than Operation: Harsh Doorstop (2023). Arma 3 scores higher on Steam reviews (91.6% positive) than Operation: Harsh Doorstop (71.3% 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 Arma 3

Choose Arma 3 if you want the Steam Leaderboards, LAN PvP, and LAN Co-op side of the pairing. On Steam, it carries the stronger Steam consensus at 91.6% positive across 110,281 reviews.

Choose Operation: Harsh Doorstop

Choose Operation: Harsh Doorstop if you want an Indie, Free To Play, and Casual experience. On Steam, it's free to play, so the barrier to trying it is zero. 10,785 Steam reviews back the pick.

Both Arma 3 and Operation: Harsh Doorstop sit in Action, Strategy, and Simulation 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

Arma 3 vs Operation: Harsh Doorstop — Steam metadata comparison
Arma 3 — Steam game coverArma 3Operation: Harsh Doorstop — Steam game coverOperation: Harsh Doorstop
Released20132023
GenresAction, Strategy, SimulationAction, Strategy, Indie, Simulation, Free To Play, Casual, Early Access
PlatformsWindows, macOSWindows
Steam DeckDeck UnsupportedDeck Playable
Price29.99 USDFree to play
Steam reviews91.6% positive (110,281 reviews)71.3% positive (10,785 reviews)
MultiplayerMulti-player, Online Co-op, LAN Co-opMulti-player, Online Co-op, Co-op
DevelopersBohemia InteractiveDrakeling Labs

Side by side

Arma 3 vs Operation: Harsh Doorstop — FAQ

Which is better, Arma 3 or Operation: Harsh Doorstop?
On Steam reviews Arma 3 scores higher (91.6% positive) than Operation: Harsh Doorstop (71.3% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Arma 3 is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play Arma 3 or Operation: Harsh Doorstop first?
If you want chronology, Arma 3 (2013) came out before Operation: Harsh Doorstop (2023). 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 Arma 3 and Operation: Harsh Doorstop similar?
They overlap on Action, Strategy, Simulation 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 Arma 3 and Operation: Harsh Doorstop have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Arma 3 ships Online Co-op, LAN Co-op; Operation: Harsh Doorstop ships Online Co-op, Co-op.
Is Operation: Harsh Doorstop free?
Yes — Operation: Harsh Doorstop is a free-to-play Steam title. Arma 3 is paid (29.99 USD).