GreatSprites: guides and changesGreatSprites is a web service that turns one picture into game-ready sprite animations (characters, objects and living backgrounds) and delivers them as a small runtime plus GPU-compressed animation files for HTML5 games, with the memory and download cost shown before you pay.https://greatsprites.com/2026-10-08T00:00:00ZGreatSpritesWhy slot win animations start and end on the static symbolhttps://greatsprites.com/guides/slot-win-animation-start-end-on-symbol2026-10-08T00:00:00Z2026-10-08T00:00:00ZA win animation that starts and ends on the exact static symbol can take over from the reel symbol, and hand it back, on any frame without a visible jump. Here is where a mismatch shows, why loops are different, and how to check it.The app on phones, a drop zone and a guide to makinghttps://greatsprites.com/changelog#2026-10-08-the-app-on-phones-a-drop-zone-and-a-guide-to-making2026-10-08T00:00:00Z2026-10-08T00:00:00ZThe app works at phone and tablet widths, the picture field is a drop zone, and every choice has a "?" tip. A new docs page, Making an animation, covers the picture, the element, the quality, once or loop, and how to describe the motion.Premium loopshttps://greatsprites.com/changelog#2026-10-08-premium-loops2026-10-08T00:00:00Z2026-10-08T00:00:00ZLoops can be made at Premium quality, for 400 credits, on the Pro plan and up. Every price is on Pricing.API keys in the app and a one-file clienthttps://greatsprites.com/changelog#2026-10-07-api-keys-in-the-app-and-a-one-file-client2026-10-07T00:00:00Z2026-10-07T00:00:00ZPro workspaces make and revoke API keys in the app. The API covers keys, pictures, price checks, making, waiting, previews and exports, with curl or a one-file Node client.Referral linkshttps://greatsprites.com/changelog#2026-10-07-referral-links2026-10-07T00:00:00Z2026-10-07T00:00:00ZEvery workspace has a referral link: the studio you invite gets bonus credits with its first payment, and you get credits once that payment has settled.Once or loophttps://greatsprites.com/changelog#2026-10-07-once-or-loop2026-10-07T00:00:00Z2026-10-07T00:00:00ZEvery animation is made either to play once and land back on your picture, or to loop for as long as it is on screen. Choose it in the app or in the API.Tested on every PixiJS 8 versionhttps://greatsprites.com/changelog#2026-10-06-tested-on-every-pixijs-8-version2026-10-06T00:00:00Z2026-10-06T00:00:00ZThe runtime plays on every PixiJS 8.x from 8.0.5 to 8.22.0 with the WebGL renderer. Under the WebGPU renderer, elements show their still picture (Unsupported devices).Instructions for coding agentshttps://greatsprites.com/changelog#2026-10-06-instructions-for-coding-agents2026-10-06T00:00:00Z2026-10-06T00:00:00ZA text to give your coding agent, or to add to your pipeline's rules, so it puts GreatSprites animations into your game the right way.Your animations: folders, names and single downloadshttps://greatsprites.com/changelog#2026-10-06-your-animations-folders-names-and-single-downloads2026-10-06T00:00:00Z2026-10-06T00:00:00ZAnimations are kept in folders: open one, name it, move it, download it on its own, make a variation, and delete with undo.Memory and loadinghttps://greatsprites.com/changelog#2026-10-06-memory-and-loading2026-10-06T00:00:00Z2026-10-06T00:00:00ZMemory and loading explains how GPU memory is counted. The phone budget is for what is loaded at the same time, not for every animation your game has, and every price check shows the animation against it.