All enemies (exept for Rats and Bats) start to attack you when you walk right past them, so be careful.Rats are found throughout the village, and are pro to defeat. Strong Rats.
Crabs are found throughout the beach in the southern area below the starting village, and can drop Axe.
Bats are found in the Forest. They are not hostile and deal rather low damage.
Goblins are are small, green creatures that spawn in groups.
Snakes are... snakes. They spawn in rocky, but mostly grassy areas.
Skeletons spawn in a rockier area. There are: Normal Skeletons, Greater Skeletons, and Skaldor. The Boss spawns in the volcano area far from the village.
Ogres are large, light blue creatures that spawn in grassy, but mostly rocky places. They also guard caves.
The evil eye is a large eye. They spawn throughout the area, and deal low damage.
Spectres look like grim reaper, he Ultimate Sword and leaves a chest near his throne containing Golden Armor, the best equipment in basic BrowserQuest game.