Choose Spy Alliance
Choose Spy Alliance if you want a RPG and Casual game with Multi-player, Online Co-op, and Co-op. On Steam, it has co-op, so you can bring a friend. Spy Alliance launched in 2024.
Spy Alliance vs House of Petals
Spy Alliance and House of Petals both land in Strategy, Adventure, Simulation 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 Strategy, Adventure, Simulation on Steam. House of Petals is free; Spy Alliance is paid (1.39 USD). Spy Alliance has co-op; House of Petals does not. 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 House of Petals
Choose House of Petals if you want an Indie and Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero.
Both Spy Alliance and House of Petals sit in Strategy, Adventure, and Simulation 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
 Spy Alliance |  House of Petals | |
|---|---|---|
| Released | 2024 | — |
| Genres | Strategy, Adventure, Simulation, RPG, Casual | Strategy, Indie, Adventure, Simulation, Free To Play |
| Platforms | Windows, macOS | Windows, macOS |
| Steam Deck | Deck Playable | Unrated |
| Price | 1.39 USD | Free to play |
| Steam reviews | 97.7% positive (43 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | ALT Lab | Little Snake Studio |
Side by side
- Both share Strategy, Adventure, Simulation on Steam.
- House of Petals is free; Spy Alliance is paid (1.39 USD).
- Spy Alliance has co-op; House of Petals does not.
- Spy Alliance is Deck Playable on Steam Deck; House of Petals has no Deck rating yet.
Spy Alliance vs House of Petals — FAQ
- Are Spy Alliance and House of Petals similar?
- They overlap on Strategy, Adventure, Simulation 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 House of Petals have multiplayer like Spy Alliance?
- No. Spy Alliance supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while House of Petals is listed as single-player only.
- Is House of Petals free?
- Yes — House of Petals is a free-to-play Steam title. Spy Alliance is paid (1.39 USD).
- Does Spy Alliance run on Steam Deck?
- Yes — Spy Alliance is rated Deck Playable by Valve. House of Petals doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.