IMHO.

Terraria vs Alien invasion

Terraria and Alien invasion both land in Action, Indie, 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, Indie, Adventure on Steam. Terraria (2011) is 8 years older than Alien invasion (2019). Alien invasion is currently ~90% cheaper on Steam than Terraria (0.99 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 Terraria

Choose Terraria if you want a RPG game with Multi-player, Online PvP, and Online Co-op. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 590,217 Steam reviews back the pick.

Choose Alien invasion

Choose Alien invasion if it's currently about 90% cheaper on the Steam Store. Alien invasion launched in 2019.

Both Terraria and Alien invasion sit in Action, Indie, 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

Terraria vs Alien invasion — Steam metadata comparison
Terraria — Steam game coverTerrariaAlien invasion — Steam game coverAlien invasion
Released20112019
GenresAction, Indie, Adventure, RPGAction, Indie, Adventure
PlatformsWindows, macOS, LinuxWindows
Steam DeckDeck VerifiedUnrated
Price9.99 USD0.99 USD
Steam reviews97.6% positive (590,217 reviews)2 reviews
MultiplayerMulti-player, Online Co-op, Co-opSingle-player only
DevelopersRe-LogicJY

Side by side

Terraria vs Alien invasion — FAQ

Should I play Terraria or Alien invasion first?
If you want chronology, Terraria (2011) came out before Alien invasion (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 Terraria and Alien invasion similar?
They overlap on Action, Indie, 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 Alien invasion have multiplayer like Terraria?
No. Terraria supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Alien invasion is listed as single-player only.
Does Terraria run on Steam Deck?
Yes — Terraria is rated Deck Verified by Valve. Alien invasion doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Terraria vs Alien invasion — Verdict (2026) · imho.run