Some gacha models use an 'eventually guaranteed drop' mechanic called ' pity': the player will be guaranteed a given drop after pulling for it a large number of times without success. As such, virtually all contemporary gacha games share this information.īetween rarity and limited-time availability drops, players are incentivized to roll while their desired item is available. In many jurisdictions it is now legally required for the item rarities to be public information. Those that did so were called 'open gacha' and those that didn't were 'closed gacha'. Historically, gacha games did not always share their droprates.

As such, drops can often be categorized into rarity 'tiers'. Some of the 'drops' drop less frequently than others. The 'pulls' are analogous to spins on a slot machine or roulette wheel. Many of them are obtainable only through a 'gacha' mechanic, wherein the player exchanges in-game currency for 'pulls' or 'spins', each pull yielding a random collectable 'drop'. Model Rolling/pulling Ī gacha game will have collectable characters, cards, or other items. Gacha games have been criticized for being addictive, and are often compared to gambling due to the incentive to spend real-world money on chance-based rewards. The game mechanism is also increasingly used in Chinese and Korean games, as well as Western games.

Gacha mechanics have become an integral part of Japanese mobile game culture. The gacha game model began to be widely used in the early 2010s, particularly in Japan. Most Gacha games are free-to-play (F2P) mobile games. Some in-game currency generally can be gained through game play, and some by purchasing it from the game publisher using real-world funds. Similar to loot boxes, gacha games entice players to spend in-game currency to receive a random in-game item. Gacha mechanics have been compared to those of loot boxes.Ī gacha game ( Japanese: ガチャゲーム, Hepburn: gacha gēmu) is a video game that implements the gacha (toy vending machine) mechanic.

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