This is the 4757th most frequent Russian word.
замедлится
"Will slow down."
In this sentence, 'замедлится' is used as the verb form indicating that the process will slow down in the future due to lack of changes.
Если мы ничего не изменим, процесс замедлится.
If we don't change anything, the process will slow down.
Here, 'замедлится' refers to the performance of the game decreasing due to increased visual complexity in the future.
Игра замедлится при большом количестве эффектов на экране.
The game will slow down with a large number of effects on the screen.
In this sentence, 'замедлится' denotes the expected decrease in loading speed as a result of reduced internet bandwidth.