game linux gamedev multi-platform opengl cross-platform game-engine cpp game-development desktop russian urho3d 3d 2d 3d-graphics 3d-engine 2d-engine cpp20 russian-language dviglo

large-numbers bignum arbitrary-precision biginteger bigint bignumber integer-arithmetic big-int arbitrary-precision-integers big-number big-integer biginteger-cpp dviglo

game ecs entt dviglo

game dviglo

game-engine 2d-game-engine cpp20 spritebatch dviglo

dviglo

angelscript dviglo