IMHO.

Monster Sanctuary vs Game Master Plus

Monster Sanctuary and Game Master Plus both land in Indie, Adventure, RPG 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, RPG on Steam. Game Master Plus (2019) is 1 year older than Monster Sanctuary (2020). Game Master Plus is currently ~65% cheaper on Steam than Monster Sanctuary (6.99 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.

Which should you pick?

Choose Monster Sanctuary

Choose Monster Sanctuary if you want an Action and Strategy game with Multi-player, Steam Leaderboards, and Online PvP. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 4,878 Steam reviews back the pick.

Choose Game Master Plus

Choose Game Master Plus if it's currently about 65% cheaper on the Steam Store. Game Master Plus launched in 2019.

Both Monster Sanctuary and Game Master Plus sit in Indie, Adventure, and RPG 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

Monster Sanctuary vs Game Master Plus — Steam metadata comparison
Monster Sanctuary — Steam game coverMonster SanctuaryGame Master Plus — Steam game coverGame Master Plus
Released20202019
GenresAction, Strategy, Indie, Adventure, RPGIndie, Adventure, RPG
PlatformsWindows, macOS, LinuxWindows, macOS, Linux
Steam DeckDeck VerifiedUnrated
Price19.99 USD6.99 USD
Steam reviews93% positive (4,878 reviews)6 reviews
MultiplayerMulti-playerSingle-player only
Developersmoi rai gamesGreat Potion Games

Side by side

Monster Sanctuary vs Game Master Plus — FAQ

Should I play Monster Sanctuary or Game Master Plus first?
If you want chronology, Game Master Plus (2019) came out before Monster Sanctuary (2020). 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 Monster Sanctuary and Game Master Plus similar?
They overlap on Indie, Adventure, RPG 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 Game Master Plus have multiplayer like Monster Sanctuary?
No. Monster Sanctuary supports multiplayer on Steam (Multi-player), while Game Master Plus is listed as single-player only.
Does Monster Sanctuary run on Steam Deck?
Yes — Monster Sanctuary is rated Deck Verified by Valve. Game Master Plus doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Monster Sanctuary vs Game Master Plus — Verdict (2026) · imho.run