The cooperative horror game *R.E.P.O.* immerses players in a world teeming with unpredictable and dangerous creatures that heighten the tension of every mission. As you explore abandoned locations in search of valuable items, you'll encounter terrifying monsters intent on halting your progress to the next level. Each monster in *R.E.P.O.* boasts unique abilities, behaviors, and attacks, demanding that you adapt your strategy to ensure a safe return to the truck with your team. Some monsters stealthily stalk before pouncing, while others are loud and conspicuous, yet no less dangerous. Certain creatures are attracted to noise, compelling players to move silently, whereas others rely on sight, making it crucial to keep them in your line of sight to survive.
Given the diverse array of monsters, distinguishing between those that are merely a nuisance and those that pose a severe threat is essential. In survival games like *R.E.P.O.*, understanding the monsters' patterns and damage capabilities can significantly enhance your chances of success. Here's a comprehensive tier list to help you navigate the dangers lurking in *R.E.P.O.*:
R.E.P.O. Monster Tier List

Tier 1 – Mostly a nuisance, can be helpful.
Tier 2 – Manageable unless overwhelmed.
Tier 3 – Lethal if you're caught off guard.
Tier 4 – The most dangerous monsters capable of one-shotting players at lower levels.
| Monster | Tier | Description |
| Apex Predator (Duck) | 1 | Leave it alone, and it can serve as a defense against the Huntsman if timed correctly. |
| Gnomes | 1 | Inflict minimal damage and are easy to eliminate. |
| Animal | 1 | Individually, they cause little harm and can be easily managed. They also destroy Gnomes they encounter. |
| Hidden | 1 | Can transport you back to the truck or into a monster's path, but deals no direct damage. |
| Shadow Child | 1 | Avoid eye contact to stay unharmed. |
| Spewer | 1 | Once attached, it can be used against other monsters without harming you. |
| Bowtie | 2 | Typically slow, but can become agitated. Its breath is harmful but easy to dodge. |
| Peeper | 2 | Does minor damage when looking at you, but can attract more dangerous monsters if not handled carefully. |
| Chef | 2 | Can accidentally kill themselves by colliding. Safe if you stay out of their reach by climbing. |
| Bangers | 2 | You have a brief window to escape their dynamite explosion, which is the only real threat they pose. |
| Huntsman | 3 | Tracks by sound; remain silent or use the duck strategically to avoid detection. A shot could end your game. |
| Rugrat | 3 | Powerful, capable of killing with thrown objects like vases, which can be fatal to low-level players. |
| Upscream | 3 | Similar to Animal but inflicts much more damage. Multiple Upscreams can be overwhelming. |
| Mentalist | 3 | Poor vision but acute hearing allows for evasion. Each hit causes significant damage, and they can appear in groups. |
| Trudge | 3 | Extremely slow and noisy, but deadly if it catches you, even with some health upgrades. |
| Reaper | 4 | Slow until it spots you, then it accelerates. Audible from a distance, but deadly without health upgrades. |
| Clown | 4 | Charges upon sighting you, wielding a deadly kick and laser attack. |
| Robe | 4 | Silent and stealthy, often spotting you first. Can maneuver under furniture and pursue quickly, resulting in certain death if caught. |
| Headman | 4 | Relentlessly pursues you, with each bite inflicting 50 damage. |
Armed with this knowledge of the dangers you'll face in *R.E.P.O.*, explore our other guides for strategies on confronting these fearsome foes.
