Wild Woody (1995)

an Easter egg shows a full nude mermaid.

Low man says you got Lug Nuts to which woody replies no need to get personal

a boss of the game is a mother alien that is laying on her breasts

there is an enemy in world 2 who is a humanoid snake woman who also appears to be naked

world 3s song has a guy suggestively laughing and saying things like oh yeah, its a little uncomfortable

The ending shows a naked anthropomorphic paintbrush in which woody runs towards her with his hands out and winks at the camera