You're referring to the popular Roblox game, "Rogue Ghoul"!
ESP overlays information on your screen: player names, health bars, distance, kagune type, and even lootable corpses through walls. This gives an unfair tactical advantage in PvP and hunting. ro-ghoul alpha script
He stood on a water tower overlooking the expressway. His pack of seven ghouls waited below, motionless, their minds soft and pliable under the script’s constant hum. The convoy appeared. Armored vans. Investigator escorts with quinque cases glowing like nuclear green lanterns. You're referring to the popular Roblox game, "Rogue Ghoul"
: If you are at max level, completing objectives rewards you with Hearts , which can be converted into massive amounts of RC (up to 10M+). completing objectives rewards you with Hearts