
Hephaestus Protocol is a 2D survivors-like (bullet heaven) game on Steam by Andrew Mullen. Hephaestus Protocol is single-player only, according to its Steam store page. Hephaestus Protocol is not released yet; its Steam page lists Jan 5, 2027.
Does Hephaestus Protocol have co-op?
No. Hephaestus Protocol is listed on Steam as single-player only. For similar games you can play with friends, see co-op survivors-like games.
Browse related lists
Single-player survivors-like games2D survivors-like games
Steam tags: Bullet Heaven, Casual, Action, Action Roguelike, Mythology, Pixel Graphics, Bullet Hell, 2D, Top-Down, Fantasy.
| Co-op | Single-player |
|---|---|
| 2D or 3D | 2D |
| Release | Jan 5, 2027 |
| Platforms | Windows |
| Developer | Andrew Mullen |
| Publisher | Andrew Mullen |
| Demo | Available on Steam |





