Choose Prototype 2
Choose Prototype 2 if you want an Adventure experience. 4,320 Steam reviews back the pick.
Prototype 2 vs L.S.S
Prototype 2 and L.S.S both land in Action 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 are Action games on Steam. Prototype 2 (2012) is 6 years older than L.S.S (2018). L.S.S scores higher on Steam reviews (75% positive) than Prototype 2 (72.9% 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 L.S.S
Choose L.S.S if it's currently about 98% cheaper on the Steam Store. L.S.S launched in 2018.
Both Prototype 2 and L.S.S sit in Action on Steam and both list Steam Leaderboards, 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
 Prototype 2 |  L.S.S | |
|---|---|---|
| Released | 2012 | 2018 |
| Genres | Action, Adventure | Action |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 39.99 USD | 0.99 USD |
| Steam reviews | 72.9% positive (4,320 reviews) | 75% positive (16 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Radical Entertainment | FossettGaming |
Side by side
- Both are Action games on Steam.
- Prototype 2 (2012) is 6 years older than L.S.S (2018).
- L.S.S scores higher on Steam reviews (75% positive) than Prototype 2 (72.9% positive).
- L.S.S is currently ~98% cheaper on Steam than Prototype 2 (0.99 USD vs. 39.99 USD).
- Prototype 2 is Deck Playable on Steam Deck; L.S.S has no Deck rating yet.
Prototype 2 vs L.S.S — FAQ
- Should I play Prototype 2 or L.S.S first?
- If you want chronology, Prototype 2 (2012) came out before L.S.S (2018). 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 Prototype 2 and L.S.S similar?
- They overlap on Action 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.
- Does Prototype 2 run on Steam Deck?
- Yes — Prototype 2 is rated Deck Playable by Valve. L.S.S doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.