I modified the game Nightclub Showdown by Deepnight Games into a roguelike version, and I am presenting it here with permission from the creator. Here is a list of the changes from the original game:

Summary

• The game is now endless and randomly generated
• New upgrades and rewards system
• New dash, kick and throw grenade mechanics
• New metal crates
• UI and QoL improvements
• Support for touch controls
• Several bug fixes

New features

• Game is now endless and randomly generated
• New upgrade system with 15 unique upgrades, 3 unique rewards and 1 special challenge upgrade
  • New dash mechanic
  • Grabbing and head shots are now unlockable upgrades
  • You now start with only four bullets
  • Kicking mechanic
  • Player-usable grenades
• New metal crates

Changes

• #7 Heavy enemy attacks are now always uninterruptable
• #4 Allow interrupting enemy attacks by moving past them
• #6 Make grenade throwing more accurate

Graphics

• Change many button locations
• Add crate life bar
• Remove action help text
• Add action previews
• Move HUD to the top of the screen
• Add arrow that shows where to go next
• Add grenade throwing animation
• Change opening subtitle

QoL improvements

• Allow turning while grabbing an enemy
• Allow reloading and waiting while grabbing an enemy
• Add a slow-mo moment after killing the last enemy
• Hero is now always in frame
• Allow interrupting walking
• Support for touch controls
• Add time to reposition yourself between waves
• Enable slow motion while there is a grenade

Bug fixes

• Full screen not toggling properly
• Can go too far to the right on the first level
• Hero is not affected by slow motion
• Falling crates destroy crates that are far from them
• #9 Enemies remain covered after being grabbed