Choose Abyss Odyssey
Choose Abyss Odyssey if you want the Multi-player, Shared/Split Screen, and Steam Leaderboards side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Abyss Odyssey launched in 2014.
Abyss Odyssey vs GunGirl 2
Abyss Odyssey and GunGirl 2 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. Abyss Odyssey (2014) is 2 years older than GunGirl 2 (2016). GunGirl 2 scores higher on Steam reviews (87.8% positive) than Abyss Odyssey (68.8% positive). 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 GunGirl 2
Choose GunGirl 2 if it's free to play, so the barrier to trying it is zero. GunGirl 2 launched in 2016.
Both Abyss Odyssey and GunGirl 2 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
 Abyss Odyssey |  GunGirl 2 | |
|---|---|---|
| Released | 2014 | 2016 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 4.49 USD | Free to play |
| Steam reviews | 68.8% positive (805 reviews) | 87.8% positive (82 reviews) |
| Multiplayer | Multi-player, Online Co-op, Shared/Split Screen Co-op | Single-player only |
| Developers | ACE Team | BlueEagle Productions |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Abyss Odyssey (2014) is 2 years older than GunGirl 2 (2016).
- GunGirl 2 scores higher on Steam reviews (87.8% positive) than Abyss Odyssey (68.8% positive).
- GunGirl 2 is free; Abyss Odyssey is paid (4.49 USD).
- Abyss Odyssey has co-op; GunGirl 2 does not.
- Abyss Odyssey is Deck Verified on Steam Deck; GunGirl 2 has no Deck rating yet.
Abyss Odyssey vs GunGirl 2 — FAQ
- Should I play Abyss Odyssey or GunGirl 2 first?
- If you want chronology, Abyss Odyssey (2014) came out before GunGirl 2 (2016). 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 Abyss Odyssey and GunGirl 2 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 GunGirl 2 have multiplayer like Abyss Odyssey?
- No. Abyss Odyssey supports multiplayer on Steam (Multi-player, Online Co-op, Shared/Split Screen Co-op), while GunGirl 2 is listed as single-player only.
- Is GunGirl 2 free?
- Yes — GunGirl 2 is a free-to-play Steam title. Abyss Odyssey is paid (4.49 USD).
- Does Abyss Odyssey run on Steam Deck?
- Yes — Abyss Odyssey is rated Deck Verified by Valve. GunGirl 2 doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.