Left 4 Dead | Safe room door

This door is great because: It is attached to a safe room.

BioShock | Door to Rapture

This door is great because: Would you kindly... leave the door wide open?

Heavy Rain | Secret door to killers hidden room

This door is great because: Press Circle to ౠope✤n and reveal identity of killer. Jason is not behind the door.

Plants Vs Zombies | Zombie protection door

This door is great because: It makes a refreshing change from zombies thoughtlessly destroying doors in a desper🦹ate grab for braiꦏns.

LA Noire | Clue door

This door is great because: It provides th๊e first clue in the first⛄ case. The clue is all that red stuff. Which is blood. CASE CLOSED.

The Elder Scrolls V: Skyrim | Black Door

This door is great because: At first it seems prett🦩y spooky but beneath its stony skull exterior it is just a magic talking door that enjoys doing riddles on people. And everyone loves riddles.

Paper Mario: The Thousand-Year Door | Old door

This door is great because: Its tit𝓡ular and opening it is the main quest (Princess Peach needs rescuing--natch--from th🍒e other side). And because the door is so completely great, when its opened theres a whole dedicated door opening cut-scene and everything.

Fallout 3 | Door to the Wasteland

This door is great because: Its the only door that leads outside to the Capital Wasteland and marks the start of the adventure proper.ꦓ Going through the door 🦋can also be used to change your characters race and/or sex. Were not quite sure how that works, but whatever. It does. And thats that.

Portal 2 | Fake door

This door is great because: ITS A TRAP!!!

Gauntlet | Many doors of monster containment

This door is great because: It keeps back many types of monster. It even keeps back ghosts, which are supernatural beings normally associated with the skill of being able to pass t🅰hrough solid objects. Solid objects like doors, for example.