Too massive and complex, plus if you want to do anything a little unusual (eg, procedural generation) you'll often find most engines are working against you. I

Too massive and complex, plus if you want to do anything a little unusual (eg, procedural generation) you'll often find most engines are working against you. I can't imagine writing a 3D game from scratch in this day and age, but for 2D games I think it's absolutely justifiable to just grab something like SDL2 and go.