Original: "Show notification popups instantly during gameplay"
Wrong: "Peringatan akan ditampilkan jika teman online/offline" (literally: "Notification will be shown when friend is online/offline")
Correct: "Peringatan akan ditampilkan langsung dalam permainan"
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Original: "300g:{1} 300:{2} 200:{3} Bad:{4}"
Wrong: "300g:{1} 100:{2} 50:{3} Luput:{4}" (literally: "300g:{1} 100:{2} 50:{3} Miss:{4}")
Correct: "300g:{1} 300:{2} 200:{3} Jelek:{4}"
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Original: "All maps have been marked as 'Played'."
Wrong: "Tandai semua map sebagai 'Telah dimainkan'" (literally: "Mark all maps as 'Played'")
Correct: "Semua map telah ditandai sebagai 'Telah dimainkan'."
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Some fixes: "Tampilkan daftar orang yang menonton selama permainan." changed into "Tampilkan daftar penonton selama permainan." to prevent overlap. (It's better to say "spectators list" than "list of players who spectate", right?

)
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And basically some minor typo and capitalizations.