One person at a time door
60046
Gate to allow only one player to pass through
70729
How can I do a one-time Initialization?
113669
Who opened the store room door in The Shining?
86735
Pressure inside a closed room
152277
How does one handle a bottleneck of enemies in a doorway?
66664
How do you DM differently when it's for only one person?
63531
Something simple and yet complex...
2666
Probability of two people meeting during a certain time.
137344
A man is trying "setting up" (or "to set up") password - difference in meaning?
2356
There is a little water in the pot. There is some water in the pot
113188
Leave the door open vs Leave the door opened
103084
Difference between 'One to One' and 'One on One'
90572
Seating of $n$ people with tickets into $n+k$ chairs with 1st person taking a random seat
80290
Simple Present for Future Actions
61847
Its inside and outside is/are same
96668
Meeting someone at the airport gate in the US?
18436
Asking the position of a person in a sequence