Choose Monster Girl 1,000
Choose Monster Girl 1,000 if you want a RPG experience. Monster Girl 1,000 launched in 2023.
Monster Girl 1,000 vs Mast Up! Seas of Desire
Monster Girl 1,000 and Mast Up! Seas of Desire both land in 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 are Indie games on Steam. Monster Girl 1,000 (2023) is 2 years older than Mast Up! Seas of Desire (2025). Mast Up! Seas of Desire is currently ~89% cheaper on Steam than Monster Girl 1,000 (1.99 USD vs. 17.99 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 Mast Up! Seas of Desire
Choose Mast Up! Seas of Desire if you want a Strategy and Casual experience. On Steam, it's currently about 89% cheaper on the Steam Store. Mast Up! Seas of Desire launched in 2025.
Both Monster Girl 1,000 and Mast Up! Seas of Desire sit in Indie 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 Girl 1,000 |  Mast Up! Seas of Desire | |
|---|---|---|
| Released | 2023 | 2025 |
| Genres | Indie, RPG | Strategy, Indie, Casual |
| Platforms | Windows | Windows, macOS, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 17.99 USD | 1.99 USD |
| Steam reviews | 94.2% positive (361 reviews) | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | TwistedScarlett60 | Kopon Games |
Side by side
- Both are Indie games on Steam.
- Monster Girl 1,000 (2023) is 2 years older than Mast Up! Seas of Desire (2025).
- Mast Up! Seas of Desire is currently ~89% cheaper on Steam than Monster Girl 1,000 (1.99 USD vs. 17.99 USD).
- Monster Girl 1,000 is Deck Playable on Steam Deck; Mast Up! Seas of Desire has no Deck rating yet.
Monster Girl 1,000 vs Mast Up! Seas of Desire — FAQ
- Should I play Monster Girl 1,000 or Mast Up! Seas of Desire first?
- If you want chronology, Monster Girl 1,000 (2023) came out before Mast Up! Seas of Desire (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 Monster Girl 1,000 and Mast Up! Seas of Desire similar?
- They overlap on 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 Monster Girl 1,000 run on Steam Deck?
- Yes — Monster Girl 1,000 is rated Deck Playable by Valve. Mast Up! Seas of Desire doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.