bool is_valid(struct game_t valgame)
{
/* Save files can be roughly grouped into three groups:
- * With valid, reaceable state, with valid, but unreachable
- * state and with invaild state. We check that state is
+ * With valid, reacheable state, with valid, but unreachable
+ * state and with invalid state. We check that state is
* valid: no states are outside minimal or maximal value
*/