IMHO.

Hamilton's Great Adventure vs Up Against Aliens

Hamilton's Great Adventure and Up Against Aliens both land in Indie, Adventure, Casual 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 Indie, Adventure, Casual on Steam. Hamilton's Great Adventure (2011) is 12 years older than Up Against Aliens (2023). Up Against Aliens is free; Hamilton's Great Adventure is paid (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 Hamilton's Great Adventure

Choose Hamilton's Great Adventure if you want the Multi-player and Shared/Split Screen side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Hamilton's Great Adventure launched in 2011.

Choose Up Against Aliens

Choose Up Against Aliens if you want an Action and Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. Up Against Aliens launched in 2023.

Both Hamilton's Great Adventure and Up Against Aliens sit in Indie, Adventure, and Casual 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

Hamilton's Great Adventure vs Up Against Aliens — Steam metadata comparison
Hamilton's Great Adventure — Steam game coverHamilton's Great AdventureUp Against Aliens — Steam game coverUp Against Aliens
Released20112023
GenresIndie, Adventure, CasualAction, Indie, Adventure, Free To Play, Casual
PlatformsWindowsWindows
Steam DeckDeck VerifiedUnrated
Price9.99 USDFree to play
Steam reviews65.5% positive (119 reviews)3 reviews
MultiplayerMulti-playerSingle-player only
DevelopersFatsharkeEKBAh Studios

Side by side

Hamilton's Great Adventure vs Up Against Aliens — FAQ

Should I play Hamilton's Great Adventure or Up Against Aliens first?
If you want chronology, Hamilton's Great Adventure (2011) came out before Up Against Aliens (2023). 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 Hamilton's Great Adventure and Up Against Aliens similar?
They overlap on Indie, Adventure, Casual 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 Up Against Aliens have multiplayer like Hamilton's Great Adventure?
No. Hamilton's Great Adventure supports multiplayer on Steam (Multi-player), while Up Against Aliens is listed as single-player only.
Is Up Against Aliens free?
Yes — Up Against Aliens is a free-to-play Steam title. Hamilton's Great Adventure is paid (9.99 USD).
Does Hamilton's Great Adventure run on Steam Deck?
Yes — Hamilton's Great Adventure is rated Deck Verified by Valve. Up Against Aliens doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Hamilton's Great Adventure vs Up Against Aliens (2026) · imho.run