Defend 99
DEFEND 99 is a rogue-lite tower defense game with deckbuilding and autochess elements. Place your turrets, roll for upgrades, equip Mods and Buddies and balance your economy in the hope of defending your network of the elite from an array of digital attackers. Can you hold off all ninety nine waves?
Last Updated: 11/2/2025
| Developer | Studio Ryebuu |
| Publisher | Studio Ryebuu |
| Steam App Id | 3083160 |
Defend 99
DEFEND 99 is a rogue-lite tower defense game with deckbuilding and autochess elements. Place your turrets, roll for upgrades, equip Mods and Buddies and balance your economy in the hope of defending your network of the elite from an array of digital attackers. Can you hold off all ninety nine waves?
Last Updated: 11/2/2025
- Windows
- Mac
- Linux
About Defend 99
Defend 99 is a Strategy game developed by Studio Ryebuu. It was released on the Steam Store by Studio Ryebuu.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Defend 99 supports the following features:
- Single-player
- Family Sharing
Media & Sceenshots
Watch the featured video for Defend 99 and see the latest screenshots from the Steam Store.

Discover Similar Games
Find a new game to play just like Defend 99 through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Defend 99.
Genres
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Defend 99 data has been sourced from:
- Valve Corporation. (2025, November 2). Defend 99 on Steam. Steam Store.
- Valve Corporation. (2025, November 2). Defend 99. Steam Community Hub.