Sten is not a game of random chaos. Enemies move on loops. Traps fire on timers. Sit at the start of a difficult screen for 10 seconds. Just watch the pattern. Once you see the rhythm, move.
Many schools, libraries, and offices use content filters to block gaming websites. Common reasons include: sten unblocked
When accessing "unblocked" content, keep the following in mind: Sten is not a game of random chaos