Choose killer7
Choose killer7 if it's Steam Deck Verified, so handheld play works out of the box. 2,666 Steam reviews back the pick.
killer7 vs Blood Storm: Alien Purge
killer7 and Blood Storm: Alien Purge both land in Action, Adventure 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, Adventure on Steam. killer7 (2018) is 7 years older than Blood Storm: Alien Purge (2025). Blood Storm: Alien Purge is currently ~50% cheaper on Steam than killer7 (4.99 USD vs. 9.99 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 Blood Storm: Alien Purge
Choose Blood Storm: Alien Purge if you want an Indie experience. On Steam, it's currently about 50% cheaper on the Steam Store. Blood Storm: Alien Purge launched in 2025.
Both killer7 and Blood Storm: Alien Purge sit in Action and Adventure 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.
Side-by-side comparison
 killer7 |  Blood Storm: Alien Purge | |
|---|---|---|
| Released | 2018 | 2025 |
| Genres | Action, Adventure | Action, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 9.99 USD | 4.99 USD |
| Steam reviews | 92.6% positive (2,666 reviews) | 8 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | GRASSHOPPER MANUFACTURE INC., Engine Software BV | Nicholas Games |
Side by side
- Both share Action, Adventure on Steam.
- killer7 (2018) is 7 years older than Blood Storm: Alien Purge (2025).
- Blood Storm: Alien Purge is currently ~50% cheaper on Steam than killer7 (4.99 USD vs. 9.99 USD).
- killer7 is Deck Verified on Steam Deck; Blood Storm: Alien Purge has no Deck rating yet.
killer7 vs Blood Storm: Alien Purge — FAQ
- Should I play killer7 or Blood Storm: Alien Purge first?
- If you want chronology, killer7 (2018) came out before Blood Storm: Alien Purge (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 killer7 and Blood Storm: Alien Purge similar?
- They overlap on Action, Adventure 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 killer7 run on Steam Deck?
- Yes — killer7 is rated Deck Verified by Valve. Blood Storm: Alien Purge doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.