Shattered Pixel Dungeon - This is a variant of the original Pixel Dungeon. This version is better balanced and has more content. Available for PC, tablets and phones. Source: over 2 years ago

Pixel Dungeon and it's many of it's modded versions are free of grinding and financial transactions. Some modded versions have grindy typical RPG aspects added to them, but most don't. Most if not all mods should be available if you are open to using an android emulator. Pixel Dungeon classic is unforgiving and will do it's best to kill you. Shattered Pixel Dungeon is a much more expansive mod of the original that... Source: almost 3 years ago

The Unsplash Image API enables limitless API requests, providing developers with the freedom to incorporate images into their apps without speed or quota restrictions. Leveraging Imgix, a sophisticated image processing service, it allows real-time modification of image dimensions and quality directly via URL parameters, facilitating client-side image transformations without extra API calls. - Source: dev.to / 7 months ago

I'm not sure if you have budget for this but companies like https://imgix.com/ and https://supabase.com/docs/guides/storage/serving/image-transformations let you do image transforms on the fly through url query params. Most of them can resize, crop, compress, and transform to webp. Source: 7 months ago

I know that imgix.com provides an API for image manipulations. There may be others. Source: over 1 year ago

I use ImgIX for a long time now. Very satisfied. Https://imgix.com. Source: over 1 year ago

I would highly recommend using Imgix as another image CDN. The free tier is insanely generous. Source: over 1 year ago