GemCraft Chapter One: The Forgotten

In GemCraft, players are given gems to combine and place into towers. Different combinations of gems produce different effects, such as splash damage, damage over time, and critical hit capability. The player's life bar and magic energy are represented by the same statistic—mana. With mana, the player can forge and combine gems and build towers, trenches, and traps. A key aspect of strategy in GemCraft is to increase the player's mana gain to high levels, enabling creation of stronger and stronger gems. Combining two gems creates a single more powerful gem, with the gem's power level indicated by its shape.