Choose Don't Knock Twice
Choose Don't Knock Twice if you want an Adventure experience. Don't Knock Twice launched in 2017.
Don't Knock Twice vs Alien Infection
Don't Knock Twice and Alien Infection 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. Don't Knock Twice (2017) is 2 years older than Alien Infection (2019). Alien Infection is currently ~0% cheaper on Steam than Don't Knock Twice (3.99 USD vs. 3.99 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 Alien Infection
Choose Alien Infection if you want the Steam Leaderboards side of the pairing. Alien Infection launched in 2019.
Both Don't Knock Twice and Alien Infection sit in Action and Indie on Steam and both list Tracked Controller Support and VR Supported, 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
 Don't Knock Twice |  Alien Infection | |
|---|---|---|
| Released | 2017 | 2019 |
| Genres | Action, Indie, Adventure | Action, Indie |
| Platforms | Windows | Windows, macOS, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 3.99 USD | 3.99 USD |
| Steam reviews | 74.4% positive (258 reviews) | 3 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Wales Interactive | Vice Age |
Side by side
- Both share Action, Indie on Steam.
- Don't Knock Twice (2017) is 2 years older than Alien Infection (2019).
- Alien Infection is currently ~0% cheaper on Steam than Don't Knock Twice (3.99 USD vs. 3.99 USD).
- Don't Knock Twice is Deck Playable on Steam Deck; Alien Infection has no Deck rating yet.
Don't Knock Twice vs Alien Infection — FAQ
- Should I play Don't Knock Twice or Alien Infection first?
- If you want chronology, Don't Knock Twice (2017) came out before Alien Infection (2019). 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 Don't Knock Twice and Alien Infection similar?
- They overlap on Action, Indie 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 Don't Knock Twice run on Steam Deck?
- Yes — Don't Knock Twice is rated Deck Playable by Valve. Alien Infection doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.