TIER 1: $1
Creature Romances: Kokonoe Kokoro
Highway Blossoms
Just Deserts

TIER 2: BTA
Ladykiller in a Bind
Purrfect Date – Visual Novel/Dating Simulator
Genital Jousting

TIER 3: $10
G-senjou no Maou – The Devil on G-String Voiced Edition
Sunrider Collection

TIER 4: $15
CLANNAD

With referral link:
https://www.humblebundle.com/games/hot-date-bundle?partner=notesofgame

Without referral link:
https://www.humblebundle.com/games/hot-date-bundle