WASD to move and space to attack - yk, just a normal game. Progress through various levels such as ḏ̷̋̀͐0̴̮̑͌̓͠͝n̶̨̼̬̓͐̍̒t̴̡̨̲̼̳̠̉y̵̢̡̠̜͍̼͈͚̜̥̳̪̓͊̽͊̍̍̉̑̇̄̓͜͜͝͝t̷̡̢̟̫͖̱͚̀̾́̏̾̌̿̾̚͠͠ ̷̨̡͓͈̩͓̞̺͛͋̈́̒̂̋͋͑̀̈́͠9̸͔̟̦̮̠̽̽̓͝ŏ̴̘̦̝͉̠̪̍́̓̕͝ ̵͇̙͎̰̺͖͕͈̪̟͝ͅẗ̷̢̰̮͚̞̦͖͎̿̈̈́̇̃̒́̾̈͘͘̕͝ͅh̴̨͍̟̖̪̘̖̃́̀́̿͝R̴͉̩͖̘̭̺͙͗͌͘͜o̵̡̘̥̰̻̞̜͕̺̒̎̈͊̎̽͘͘͠-̷̡̘̤͇̻͚̟͓͇̬̻̅̑́̎͊̅̽̾̀̽̂͐͑͘͜͜g̸̠͖͕͇̳̻͔̥̤̲̋̌͂̾̓̐̀̅̔͋͛̚͘͜h̴͖͍̑ ̵̹̐̋̀̀̓̈́͑͋̓̎̐́T̵̨̢̯̤̗͉͔̲̏̎́͌̇͘ͅh̷̡̪͇̣̼̹̱̰̝̖͇͍͓͐̑́̑̍̀̚͘͜͝͝͝3̴̨̪̬̯̱̰̟̻̌̄̈́͊̿́̃̈́̅͐͝͠ ̴̧͖̩͙̥͚͈͎̰̩̫͆̂̾̏̚͜͝ͅd̷͈̓̍͗̈́̀̈͗̑̕0̴̤̎̍̅̂̑-̷̡̥̪͔̣͍̮̫͙̦̠̠̣̆̐̉̽̐͒͊͘͝-̷̳̱̗̫̞͇̥̳̒̂́͂́ͅR̷̢̪͓̗̦̱̀͂͗̇ ꓛꓒ ɹnoʎ ʇɹɐʇsǝɹ ǝsɐǝʅꓒ .ᵷuoɹʍ ǝuoᵷ sɐɥ ᵷuᴉɥʇǝɯoS
This was not originally a 'horror', but in the end I didnt know what to do after the first level so I just added an unsettling element to end it for fun. Looking at it now, I think I should expand on this as there is lots of potential!! Any bugs or recommendations can be put in the comments!