Choose MARK-I: Mission Pilot
Choose MARK-I: Mission Pilot if it matches what drew you to this matchup. MARK-I: Mission Pilot launched in 2021.
MARK-I: Mission Pilot vs Sleeper Agent
MARK-I: Mission Pilot and Sleeper Agent both land in Action, Indie, Casual 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, Casual on Steam. Sleeper Agent is free; MARK-I: Mission Pilot is paid (1.99 USD). 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 Sleeper Agent
Choose Sleeper Agent if you want an Adventure and Free To Play game with Shared/Split Screen PvP and PvP. On Steam, it's free to play, so the barrier to trying it is zero.
Both MARK-I: Mission Pilot and Sleeper Agent sit in Action, Indie, and Casual on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen 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
 MARK-I: Mission Pilot |  Sleeper Agent | |
|---|---|---|
| Released | 2021 | — |
| Genres | Action, Indie, Casual | Action, Indie, Adventure, Free To Play, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 1.99 USD | Free to play |
| Steam reviews | 3 reviews | — |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | huindie | POWERBOMB |
Side by side
- Both share Action, Indie, Casual on Steam.
- Sleeper Agent is free; MARK-I: Mission Pilot is paid (1.99 USD).
- Both support cooperative play.
MARK-I: Mission Pilot vs Sleeper Agent — FAQ
- Are MARK-I: Mission Pilot and Sleeper Agent similar?
- They overlap on Action, Indie, Casual 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 MARK-I: Mission Pilot and Sleeper Agent have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: MARK-I: Mission Pilot ships Shared/Split Screen Co-op, Co-op; Sleeper Agent ships Shared/Split Screen Co-op, Co-op.
- Is Sleeper Agent free?
- Yes — Sleeper Agent is a free-to-play Steam title. MARK-I: Mission Pilot is paid (1.99 USD).