v2.42.1
Construction Speed
Construction Speed
TREEStation
UNLOCKS ATOPS 2
MAX LEVEL15

Base construction speed is increased for all buildings.

What it costs to research each level, how long it takes, and the effect at that level.

LEVELTIMEHARD CURRENCYCOSTEFFECT
Lv 1 12m 7 460 Parsteel · 30 Dilithium Construction Speed 0.03%
Lv 2 40m 16 770 Parsteel · 80 Dilithium Construction Speed 0.07%
Lv 3 2h 38 2,050 Parsteel · 300 Dilithium Construction Speed 0.11%
Lv 4 3h 27m 66 4,300 Parsteel · 840 Dilithium Construction Speed 0.15%
Lv 5 5h 45m 100 6,200 Parsteel · 1,210 Dilithium Construction Speed 0.2%
Lv 6 12h 14m 291 20,000 Parsteel · 3,925 Dilithium · 25 2★ Common Refined Ore · 25 2★ Common Refined Gas · 25 2★ Common Refined Crystal Construction Speed 0.26%
Lv 7 13h 49m 312 27,000 Parsteel · 5,300 Dilithium · 150 2★ Common Refined Gas Construction Speed 0.33%
Lv 8 19h 46m Not purchasable 58,250 Parsteel · 11,400 Dilithium · 500 2★ Common Refined Ore · 50 2★ Uncommon Refined Ore Construction Speed 0.4%
Lv 9 1d 15h 862 134,500 Parsteel · 26,250 Dilithium Construction Speed 0.47%
Lv 10 2d 20h 2,373 592,000 Parsteel · 116,000 Dilithium · 50 3★ Common Refined Gas Construction Speed 0.55%
Lv 11 4d 20h Not purchasable 2,460,000 Parsteel · 483,000 Dilithium · 220 3★ Common Refined Gas · 50 3★ Uncommon Refined Gas Construction Speed 0.64%
Lv 12 7d 12h Not purchasable 8,820,000 Parsteel · 1,730,000 Dilithium · 1,000 3★ Common Refined Gas · 210 3★ Uncommon Refined Gas Construction Speed 0.75%
Lv 13 11d 7h Not purchasable 30,550,000 Parsteel · 5,990,000 Dilithium · 1,150 3★ Common Refined Gas · 240 3★ Uncommon Refined Gas · 21 3★ Rare Refined Gas Construction Speed 0.88%
Lv 14 30d 2h Not purchasable 113,300,000 Parsteel · 22,200,000 Dilithium · 2,030 3★ Common Refined Gas · 430 3★ Uncommon Refined Gas · 38 3★ Rare Refined Gas Construction Speed 1.04%
Lv 15 41d 20h Not purchasable 394,100,000 Parsteel · 77,300,000 Dilithium · 2,870 3★ Common Refined Gas · 610 3★ Uncommon Refined Gas · 54 3★ Rare Refined Gas Construction Speed 1.25%
R&D Department Lv2
Parsteel Fusion Fleet Commander Parsteel Storage Building Efficiency