Codename Sunday
A top-down, fast paced shooter, heavily inspired by the popular game Diep. Kill tanks to upgrade yourself and become undefeatable. Fight friends, or foes - with friends, or foes, or question your surroundings and watch as the illusion of everything you know falls apart.
Last Updated: 9/30/2025
| Developer | Drill Thrill |
| Publisher | Ballistic Eternal |
| Steam App Id | 3844370 |
Codename Sunday
A top-down, fast paced shooter, heavily inspired by the popular game Diep. Kill tanks to upgrade yourself and become undefeatable. Fight friends, or foes - with friends, or foes, or question your surroundings and watch as the illusion of everything you know falls apart.
Last Updated: 9/30/2025
- Windows
- Mac
- Linux
About Codename Sunday
Codename Sunday is an Indie, Action, Massively Multiplayer, Early Access, and Free to Play game developed by Drill Thrill. It was released on the Steam Store by Ballistic Eternal.
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, Codename Sunday supports the following features:
- Co-op
- Family Sharing
- PvP
- Multi-player
- Online Co-op
- Online PvP
Media & Sceenshots
Watch the featured video for Codename Sunday and see the latest screenshots from the Steam Store.
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Features & Categories
Frequently Asked Questions
Soures & References
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Codename Sunday data has been sourced from:
- Valve Corporation. (2025, September 30). Codename Sunday on Steam. Steam Store.
- Valve Corporation. (2025, September 30). Codename Sunday. Steam Community Hub.