S+ Tier

Noob ProductionBaseline OutputAdds +0.50x baseline Noob output. Universally the first upgrade you should max. ROI 50.00, the highest in the matrix.Click PowerManual Click DamageAdds +0.20x manual click output. Essential to bypass early-game latency before passive Noobs scale. ROI 40.00.Layer GateLayer UnlockCosts 10,000 Oof to unlock Layer 2 (Rune Layer). Massive immediate sink with immense long-term compounding payoff. ROI 2.00.

S Tier

Oof MultiplierGlobal CoefficientAdds +1.00x global multiplier to all Oof income. Becomes mathematically dominant only after a robust passive base. ROI 20.00.

A Tier

Noob SpeedTick Rate ReductionReduces Noob generation cooldown by +0.40x tick rate. Equivalent to production density over time. ROI 13.33.Rune SynergyMultiplicative AmplifierAmplifies the multiplicative value of all equipped Runes by +0.80x. Inefficient until you have Rare or Epic Runes to feed it. ROI 1.60.

B Tier

Auto Buy NoobsIdle ProgressionUnlocks idle Noob buying. Detrimental to early-game velocity due to high cost, but mandatory for Endgame Layer AFK progression. ROI 1.50.

C Tier

Ticket LuckGacha SkewApplies +0.10x probability shift toward higher rarity Rune drops. Small but permanent improvement. ROI 0.30.