Choose 10mg: Locked In
Choose 10mg: Locked In if you want an Adventure experience. On Steam, it's currently about 80% cheaper on the Steam Store. 10mg: Locked In launched in 2020.
10mg: Locked In vs Monster Prom 4: Monster Con
10mg: Locked In and Monster Prom 4: Monster Con both land in 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 Indie, Casual on Steam. 10mg: Locked In (2020) is 5 years older than Monster Prom 4: Monster Con (2025). 10mg: Locked In is currently ~80% cheaper on Steam than Monster Prom 4: Monster Con (2.99 USD vs. 14.99 USD). 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 Monster Prom 4: Monster Con
Choose Monster Prom 4: Monster Con if you want a Strategy and Simulation game with Online PvP, Shared/Split Screen PvP, and Online Co-op. On Steam, it's the newer release (2025) and ships with the modern feature baseline. 1,619 Steam reviews back the pick.
Both 10mg: Locked In and Monster Prom 4: Monster Con sit in 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
 10mg: Locked In |  Monster Prom 4: Monster Con | |
|---|---|---|
| Released | 2020 | 2025 |
| Genres | Indie, Adventure, Casual | Strategy, Indie, Simulation, Casual |
| Platforms | Windows, macOS | Windows, macOS, Linux |
| Steam Deck | Unrated | Deck Verified |
| Price | 2.99 USD | 14.99 USD |
| Steam reviews | 7 reviews | 99% positive (1,619 reviews) |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player, Online Co-op, Shared/Split Screen Co-op |
| Developers | de Fault, Chard, Richard Campbell | Beautiful Glitch |
Side by side
- Both share Indie, Casual on Steam.
- 10mg: Locked In (2020) is 5 years older than Monster Prom 4: Monster Con (2025).
- 10mg: Locked In is currently ~80% cheaper on Steam than Monster Prom 4: Monster Con (2.99 USD vs. 14.99 USD).
- Both support cooperative play.
- Monster Prom 4: Monster Con is Deck Verified on Steam Deck; 10mg: Locked In has no Deck rating yet.
10mg: Locked In vs Monster Prom 4: Monster Con — FAQ
- Should I play 10mg: Locked In or Monster Prom 4: Monster Con first?
- If you want chronology, 10mg: Locked In (2020) came out before Monster Prom 4: Monster Con (2025). 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 10mg: Locked In and Monster Prom 4: Monster Con similar?
- They overlap on 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 10mg: Locked In and Monster Prom 4: Monster Con have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: 10mg: Locked In ships Shared/Split Screen Co-op, Co-op; Monster Prom 4: Monster Con ships Online Co-op, Shared/Split Screen Co-op.