Haunted Room Sleep Survivor continues to grow with new updates, challenges, and rewards that keep players coming back. With tougher stages and more complex mechanics, having the right setup and using available rewards like gift codes can make a big difference. This guide covers the latest code for April 2026 along with a simple tier breakdown and some useful progression tips.
Haunted Room Sleep Survivor Tier List Explanation & Best Units
S Tier (Must-Use Units)
These characters are strong in almost every situation and should be your priority:
- Hanuman – Excellent AoE damage and strong ultimate, great for clearing waves
- Pren – Essential support with healing, keeps your team alive longer
A Tier (Strong Picks)
Very reliable and useful for most content:
- Lubu – High damage with penetration, can hit enemies in the backline
- Braid – Good synergy for burn-based enemies and consistent damage
B Tier (Situational)
Decent but depends on stage mechanics:
- SJW (Sungjiwo) – Great for early-game coin generation, but falls off later
What is Haunted Room Sleep Survivor?
Haunted Room Sleep Survivor is a strategy-based survival game where you defend your room against waves of enemies. You summon units, manage resources, and upgrade your setup while trying to survive increasingly difficult stages. Key gameplay features include:
- Summoning heroes with different abilities
- Upgrading units and artifacts
- Managing energy and coins during battles
- Adapting to enemy weaknesses like burn or paralyze
Each stage requires a slightly different approach, so understanding enemy mechanics and adjusting your lineup is important for success. Using the latest code is a simple way to get extra resources and speed up your progress, especially if you’re pushing higher stages.
At the same time, building a strong lineup with units like Hanuman and Pren will make battles much easier. Focus on early-game economy, upgrade wisely, and adapt your team based on enemy weaknesses. With the right setup and a bit of consistency, clearing tougher stages becomes much more manageable.