Free game dev tools for Unreal Engine and Unity: normal maps, channel packing, sprite sheets, Steam capsules and more, plus tutorials and plugins.https://tvashtastudio.com/https://tvashtastudio.com/blog/directx-vs-opengl-normal-maps/https://tvashtastudio.com/blog/directx-vs-opengl-normal-maps/Why your normal map looks inverted, which format Unreal Engine and Unity expect, and three ways to fix the green channel.Mon, 12 Oct 2026 00:00:00 GMThttps://tvashtastudio.com/blog/steam-capsule-sizes-and-rules/https://tvashtastudio.com/blog/steam-capsule-sizes-and-rules/Every Steam store, library, event and icon image size, the rules Valve enforces on capsule art, and tips for capsules that get clicked.Mon, 12 Oct 2026 00:00:00 GMThttps://tvashtastudio.com/blog/unity-vs-unreal-coordinate-systems/https://tvashtastudio.com/blog/unity-vs-unreal-coordinate-systems/How Unity and Unreal Engine differ in axes, units and rotation order, the exact formulas to convert positions, rotations and scale, and common pitfalls.Mon, 12 Oct 2026 00:00:00 GMThttps://tvashtastudio.com/blog/unreal-orm-vs-unity-mask-map/https://tvashtastudio.com/blog/unreal-orm-vs-unity-mask-map/What channel packing is, the exact channel layouts for Unreal ORM, Unity URP and Unity HDRP, why Unity uses smoothness, and the import settings that matter.Mon, 12 Oct 2026 00:00:00 GMThttps://tvashtastudio.com/blog/how-to-balance-a-shop-economy/https://tvashtastudio.com/blog/how-to-balance-a-shop-economy/A practical guide to pricing, profit margins, customer demand, expenses and upgrade pacing for shop, supermarket and tycoon games, with real numbers.Sun, 11 Oct 2026 00:00:00 GMThttps://tvashtastudio.com/blog/welcome-to-tvashta-studio/https://tvashtastudio.com/blog/welcome-to-tvashta-studio/What Tvashta Studio is, the 12 free tools you can use today, what we write about, and the Unreal Engine plugin we are building first.Sun, 11 Oct 2026 00:00:00 GMT