Serious Sam HD: The Second Encounter and Project Entertainment System 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. Serious Sam HD: The Second Encounter (2010) is 11 years older than Project Entertainment System (2021). Project Entertainment System is currently ~75% cheaper on Steam than Serious Sam HD: The Second Encounter (4.99 USD vs. 19.99 USD). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Choose Serious Sam HD: The Second Encounter if you want the Multi-player, Steam Leaderboards, and Online PvP side of the pairing. On Steam, it has co-op, so you can bring a friend. Serious Sam HD: The Second Encounter launched in 2010.
Choose Project Entertainment System if it's currently about 75% cheaper on the Steam Store. Project Entertainment System launched in 2021.
Both Serious Sam HD: The Second Encounter and Project Entertainment System sit in Action and Indie on Steam, 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.
 Serious Sam HD: The Second Encounter |  Project Entertainment System | |
|---|---|---|
| Released | 2010 | 2021 |
| Genres | Action, Indie | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 19.99 USD | 4.99 USD |
| Steam reviews | 89.3% positive (319 reviews) | 6 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | Croteam | Curlee Fro |
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