So this game is just as effective and fun when 3D is off, and since 3D will cut your battery life in half, it just seems unnecessary for this game. (metacritic.com)
This may seem unnecessary in water birth studies — it is obvious who delivered in the water. (birthingnaturally.net)
You just fight until you die and move on, which seems unnecessary considering there is an available survival round option as one of two game types. (indiegamesaaa.com)