https://gachawiki.com GachaWiki is a network of gacha game wikis plus a cross-game encyclopedia: pull systems, odds, pity mechanics, history, and regulation. Every fact is cited to a primary source, and every page is machine-readable. en https://gachawiki.com/wiki/fifty-fifty https://gachawiki.com/wiki/fifty-fifty#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT The HoYoverse-style featured guarantee, where each top-rarity pull has a 50% chance of being the featured character and a loss guarantees the next one. Winning or losing the 50/50 is core gacha vocabulary. https://gachawiki.com/arknights https://gachawiki.com/arknights#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Tower-defense RPG by Hypergryph, released in China in 2019 and globally in January 2020. Uses an escalating-rate pity (2% base, rising 2% per pull after 50 without a 6-star) and added a 300-pull spark to limited banners in 2024. https://gachawiki.com/arknights-endfield https://gachawiki.com/arknights-endfield#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT 3D action RPG with base-building by Hypergryph, launched globally on January 22, 2026 for PC, PlayStation 5, and mobile. The follow-up project to Arknights, set on the planet Talos-II. https://gachawiki.com/wiki/banner https://gachawiki.com/wiki/banner#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT A time-limited gacha pool featuring specific characters or items at boosted rates. Banners are the release calendar of a gacha game, and their scheduling drives both revenue and player saving behavior. https://gachawiki.com/blue-archive https://gachawiki.com/blue-archive#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT School-life RPG by Nexon Games, released in Japan in February 2021 and globally that November. Uses a 3% top-rarity rate and a straightforward 200-pull spark exchange, doubled to 6% on anniversary banners. https://gachawiki.com/granblue-fantasy/wiki/cerulean-sparks https://gachawiki.com/granblue-fantasy/wiki/cerulean-sparks#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT The origin of the spark. The January 2016 Anchira incident, the 6,065 dollar night that made national news, and the March 2016 response that gave the genre rate disclosure and the 300-draw ceiling. https://gachawiki.com/wiki/collaboration-event https://gachawiki.com/wiki/collaboration-event#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT A limited crossover with an external franchise, typically with its own banner, separate pity pool, and characters that never return to the regular pool, such as Star Rail's Fate/stay night collab. https://gachawiki.com/wuthering-waves/wiki/convenes https://gachawiki.com/wuthering-waves/wiki/convenes#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Wuthering Waves' gacha in detail. 0.8% base rate with 80 pity, the 50/50 on Resonators, the weapon banner's full guarantee with no coin flip, and the collab convenes with separate currency and pity. https://gachawiki.com/wiki/dupe-system https://gachawiki.com/wiki/dupe-system#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT The mechanics that give duplicate gacha pulls value, such as Genshin Impact's Constellations or Star Rail's Eidolons, where up to six copies unlock upgrades. Dupe systems multiply the ceiling on per-character spending. https://gachawiki.com/wiki/end-of-service https://gachawiki.com/wiki/end-of-service#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT The shutdown of a live-service game, after which a gacha collection typically ceases to exist. EoS risk is the structural counterparty risk of spending in gacha games, and offline modes remain rare. https://gachawiki.com/fate-grand-order https://gachawiki.com/fate-grand-order#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Turn-based RPG by Lasengle, published by Aniplex, released in Japan in July 2015. Famous for a 1% SSR rate and for operating with no pity at all until January 2022, when a 330-roll guarantee was added. https://gachawiki.com/wiki/free-to-play https://gachawiki.com/wiki/free-to-play#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT The distribution model of nearly all gacha games, where the client costs nothing and revenue comes from optional purchases. F2P also names the player identity of spending nothing and budgeting earned currency. https://gachawiki.com/wiki/gacha https://gachawiki.com/wiki/gacha#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT The monetization mechanic in which players spend currency on randomized draws for characters or items, named after Japanese gashapon capsule-toy machines. The defining system of the gacha game genre. https://gachawiki.com/wiki/gacha-game https://gachawiki.com/wiki/gacha-game#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT A game whose progression and monetization are built around gacha draws, typically free-to-play with banner-scheduled character releases. The genre spans from Puzzle & Dragons in 2012 to Genshin Impact and its successors. https://gachawiki.com/wiki/gacha-probability https://gachawiki.com/wiki/gacha-probability#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT The actual math behind gacha rates. What a 0.6% rate really means, why pity changes expected costs, how consolidated rates are computed, and why set-completion mechanics explode. With an interactive calculator. https://gachawiki.com/wiki/gacha-regulation https://gachawiki.com/wiki/gacha-regulation#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT How Japan, China, South Korea, Belgium, the Netherlands, the US, the UK, Australia, and the EU regulate gacha and loot boxes as of July 2026, from the 2012 kompu gacha ban to the FTC's 2025 Genshin settlement. https://gachawiki.com/arknights-endfield/wiki/gacha-system https://gachawiki.com/arknights-endfield/wiki/gacha-system#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Endfield's character banner system. This page documents what is verified so far and openly lists what still needs transcription from the in-game rate disclosure. https://gachawiki.com/neverness-to-everness/wiki/gacha-system https://gachawiki.com/neverness-to-everness/wiki/gacha-system#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT NTE's character banner system. This page documents what is verified so far and openly lists what still needs transcription from the in-game rate disclosure. https://gachawiki.com/umamusume-pretty-derby/wiki/gacha-system https://gachawiki.com/umamusume-pretty-derby/wiki/gacha-system#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Umamusume's two parallel gachas in detail. Character and support card rates at 3%, Carat costs, the 200-point exchange ceiling on each track, and why support cards are the real budget. https://gachawiki.com/wiki/gashapon https://gachawiki.com/wiki/gashapon#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Japanese capsule-toy vending machines, introduced in 1965 by Penny Shokai and commercialized at scale by Bandai from 1977. The physical origin of the word and concept behind digital gacha. https://gachawiki.com/genshin-impact https://gachawiki.com/genshin-impact#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Open-world action RPG by miHoYo/HoYoverse, released in September 2020. Its Wish system, with a 90-pull hard pity and the 50/50 featured-character guarantee, is the most widely copied gacha model of the 2020s. https://gachawiki.com/nikke https://gachawiki.com/nikke#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Third-person shooter RPG by Shift Up, published by Level Infinite, released worldwide in November 2022. Known for a high 4% SSR rate paired with a 200-pull mileage spark that never expires, plus a wishlist system for targeting. https://gachawiki.com/granblue-fantasy https://gachawiki.com/granblue-fantasy#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Browser and mobile RPG by Cygames, released in Japan in March 2014. The 2016 Anchira incident made it the origin of the 300-draw spark ceiling and of per-item rate disclosure as an industry norm in Japan. https://gachawiki.com/fate-grand-order/wiki/guaranteed-summon https://gachawiki.com/fate-grand-order/wiki/guaranteed-summon#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT FGO's only safety net, added in January 2022 after six and a half years without one. How the 330-roll guarantee works, what counts toward it, the per-banner reset, and the 2024 and 2026 repeatability changes. https://gachawiki.com/arknights/wiki/headhunting https://gachawiki.com/arknights/wiki/headhunting#2026-07-09 Thu, 09 Jul 2026 00:00:00 GMT Arknights' gacha in detail. The 2% six-star rate, the published escalation that reaches 100% by pull 99, the weak featured guarantees, and how the counter carries between standard banners.