1 Up is a simple and addictive number game. Just connect adjacent numbers that are equal or 1 up, like 1-2-3-4 or 2-2-2-2-3-3-3-3. Make long chains of numbers to earn massive point multipliers and earn a spot on your country's leaderboard or the global leaderboard! Game Modes. Timed Mode: Connect numbers fast and rack up as many points as you can in 60 seconds.