The Wai Wai series (also translated as "Krazy" in English) are a number of mascot games published by Konami featuring characters from this company. The series ranges a variety of types of games, including platformers (Konami Wai Wai World), solitary (Wai Wai Poker), jockey (Wai Wai Jockey), bingo (Wai Wai Bingo), racing (Konami Krazy Racers and Krazy Kart Racing) and box puzzles (Wai Wai Sokoban). Castlevania characters frequently make appearances in these games.
Games in the series which include Castlevania characters:
- Konami Wai Wai World - Simon Belmont and a variety of enemies.
- Wai Wai World 2: SOS!! Parsley Castle - Simon Belmont and a variety of enemies.
- Wai Wai Poker - Kid Dracula
- Wai Wai Jockey - Kid Dracula
- Wai Wai Bingo - Kid Dracula
- Konami Krazy Racers - Dracula
- Wai Wai Sokoban - Simon Belmont
- Krazy Kart Racing - Dracula
- Piccadilly Circus: Konami Wai Wai World - Simon Belmont