If you're looking for the datapack, you can find that here.
Otherwise, the map can be found in the Releases tab.
kateowo/Survival-Games-Map
Play in a custom-built survival games map, powered by the bundled survival games datapack.
GPL-3.0
Play in a custom-built survival games map, powered by the bundled survival games datapack.
GPL-3.0
If you're looking for the datapack, you can find that here.
Otherwise, the map can be found in the Releases tab.