Need save/undo.
Btw, does anyone have complete list and description of each special set? And maybe a howto for powerups? Such as synergy pairs -> 3 tiles.
I don't know which is more frequent: losing our saved progress, or SGMD lagging. Is there any recommended minimum hardware configuration to play SGMD without lagging? It's a pity it requires a stronger machine that's enough for most contemporary FPS and RPG games.
Challange 4 sucks. If either Sword wouldn't be a dumbass to go around Shield, or if Shield would go and stay where I send it... The challenge itself is not about strategy - it's all about overcoming the damn controls.
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