Wikigacha is a browser-based card battler game that transforms Wikipedia articles into collectible cards. Players receive a free pack every minute, with cards categorized into seven rarity tiers based on their WikiRank. The game features a sortable database for collections and includes autobattler modes, allowing one-on-one matches or five-card deck competitions. A daily Raid Battle challenges players against a boss card, with each card usable once every 24 hours. The game was developed by a single Japanese developer known as 'harusugi' and has gained popularity in Japan, expanding its player base through social media. Players are drawn to the randomness of card pulls and the excitement of collecting, including special gold packs that guarantee at least one blue 'super rare' card.