Most buildings will stay hidden until you have at least 30% of the resources necessary to build the first one. If a building isn't available and you know you have the technology needed for it then check to make sure you have enough resources.
| Name | Resource |
Cost |
Effect |
Prerequisite | Upgrades |
|---|---|---|---|---|---|
| Catnip Field | Catnip Price Ratio |
10 1.12 |
Catnip per Tick +0.125 | - | - |
| Catnip wood Price Ratio |
100 10 1.15 |
Catnip Demand -0.5% ∧ Upgrades to Solar Farm |
Animal Husbandry | - | |
| Minerals Price Ratio |
75 1.12 |
Catnip +3% ∧ Upgrades to Hydro Plant |
Engineering | - | |
| Name | Resource |
Cost |
Effect |
Prerequisite | Upgrades |
|---|---|---|---|---|---|
| Wood Price Ratio |
25 1.15 |
Science +10% Max Science +250 Max Culture +10 ∧ Upgrades to Data Center |
- | Titanium Reflectors - Max Science +2% per Observatory Unobtainium Reflectors - Max Science +2% per Observatory Eludium Reflectors - Max Science +2% per Observatory |
|
| Academy | Wood Minerals Science Price Ratio |
50 70 100 1.15 |
Science +20% Max Science +500 Max Culture +25 Kitten Exp +5% |
Mathematics | Minerology Department +1% production from meteors |
| Observatory | Scaffold Slab Iron Science Price Ratio |
50 35 750 1000 1.1 |
Science +25% Max Science +1000 Astronomical Event Chance +0.2% Automatic Event Observation Chance +1% |
Astronomy | Astrolabe - Max Science +50% Satellite - Max Science +5% Chronomancy - Astronomical Event Chance x1.1 Astromancy - Astronomical Event Chance, Auto Event Observation Chance x2 |
| Bio Lab | Slab Alloy Science Price Ratio |
100 25 1500 1.1 |
Science +35% Max Science +1500 Catnip refinement +10% |
Biology | Biofuel Processing - Science +35%, Oil per Tick +0.02, Catnip per Tick -1, Energy -1 GM Catnip - Oil per Tick +60% Uplink - Max Science +1% per Data Center Starlink - Max Science +1% per Data Center |
| Name | Resource |
Cost |
Effect |
Prerequisite | Upgrades |
|---|---|---|---|---|---|
| Wood Minerals Parchment Price Ratio |
200 1200 3 1.15 |
Unhappiness -4.8% Culture per Tick +0.005 Max Culture +50 ∧Upgrades to Broadcast Tower |
Writing | - | |
| Chapel | Minerals Culture Parchment Price Ratio |
2000 250 250 1.15 |
Culture per Tick +0.05 Faith per Tick +0.005 Max Culture +200 |
Acoustics | - |
| Temple | Slab Plate Gold Manuscript Price Ratio |
25 15 50 10 1.15 |
Culture per Tick +0.1 Max Faith +100 Unlocks Order of the Sun |
Philosophy | Theology - Faith per Tick +0.0015 Scholasticism - Max Science +500 Golden Spire - Max Faith +50% Sun Altar - Max Faith +50, Happiness +0.5% Stained Glass - Culture per Tick +0.1 Basilica - Culture per Tick +0.2, Max Culture +125 Templars - Max Catpower +75 |
| Name | Resource |
Cost |
Effect |
Prerequisite | Upgrades |
|---|---|---|---|---|---|
| Titanium Price Ratio |
250 1.15 |
Energy +2 (+1.5 in Winter, +2.67 in Summer) ∨ Downgrades to Pasture |
Ecology | Photovoltaic Cells - Energy +50% Thin Film Cells - Energy +15% in Winter Quantum Dot Cells - Energy +15% |
|
| Concrete Titanium Price Ratio |
100 2500 1.15 |
Energy +5 ∨ Downgrades to Aqueduct |
Robotics | Hydro Plant Turbines - Energy +15% | |
| Concrete Steel Price Ratio |
10 100 1.15 |
Science +10% Max Science +750 Max Culture +250 Compendium Cap +1000 Energy -2 ∨ Downgrades to Library |
Electronics | Uplink - Max Science, Max Culture, Compendium Cap +1% per Bio Lab Cryocomputing - Energy Consumption -1 Titanium Reflectors - Max Science +2% per Observatory Unobtainium Reflectors - Max Science +2% per Observatory Eludium Reflectors - Max Science +2% per Observatory Machine Learning - Effectiveness +10% per AI Core |
|
| Iron Titanium Price Ratio |
1250 75 1.18 |
Unhappiness -75% Culture per Tick +1 Max Culture +300 ∨ Downgrades to Amphitheatre |
Electronics | Satellite Radio - Culture per Tick, Max Culture +0.5% per Satellite | |
| Name | Resource |
Cost |
Effect |
Prerequisite | Upgrades |
|---|---|---|---|---|---|
| Zebra Outpost | Bloodstone Price Ratio |
1 1.35 |
Hunting Bonus +5% Max Catpower +5 |
Archery | Dark Revolution increases zebra base catpower production cap +1 (+0.1 in non Iron Will) zebras |
| Zebra Workshop | Bloodstone Price Ratio |
5 1.15 |
Unlocks Zebra Upgrades Max Catpower +10 |
Archery | - |
| Zebra Forge | Bloodstone Price Ratio |
50 1.15 |
Unlocks Bloodstone and T-Mythril crafting Max Catpower +50 |
Archery | - |
| Ivory Temple | T-Mythril Ivory Price Ratio |
1 100 1.15 |
Converts ivory to minerals Ivory per Tick -100 Minerals per tick +1 Max Catpower +10 |
- | Whispers unlocks automation: doubles ivory consumption and minerals production, -2 titanium and - 0.00002 alicorns per tick, +0.00005 T-Mythril per tick |