| 1 |   | 35.80% | Polar Expedition: Reach the south pole of Sernimir IV. | SPACECHEM_14 | 
                
                    | 2 |   | 16.50% | Moustache Research Assistant: Beat the assignment "Moustachium 602". | SPACECHEM_TF2_1 | 
                
                    | 3 |   | 15.70% | Junior Permutation Technician: Beat the assignment "Challenge: In-Place Swap". | SPACECHEM_02 | 
                
                    | 4 |   | 14.50% | Moustache Scientist: Beat the assignment "Moustachium 604". | SPACECHEM_TF2_2 | 
                
                    | 5 |   | 11.60% | Director of Moustache Research: Beat the assignment "Moustachium 608". | SPACECHEM_TF2_3 | 
                
                    | 6 |   | 10.40% | Junior Performance Specialist: Beat the assignment "Nothing Works" in under 1000 cycles. | SPACECHEM_06b | 
                
                    | 7 |   | 9.80% | Environmental Engineer: Beat the assignment "Challenge: Going Green". | SPACECHEM_03 | 
                
                    | 8 |   | 8.70% | Efficiency Specialist: Beat the assignment "No Ordinary Headache" using only one reactor. | SPACECHEM_10 | 
                
                    | 9 |   | 8.20% | Industrial Physicist: Beat the assignment "Challenge: Applied Fusion". | SPACECHEM_04 | 
                
                    | 10 |   | 8.00% | Science is an Indoor Activity: Beat 3 published ResearchNet assignments. | SPACECHEM_RN_1 | 
                
                    | 11 |   | 7.90% | Performance Specialist II: Beat the assignment "Gas Works Park" in under 2700 cycles. | SPACECHEM_08 | 
                
                    | 12 |   | 7.80% | Performance Specialist: Beat the assignment "No Thanks Necessary" in under 2200 cycles. | SPACECHEM_07 | 
                
                    | 13 |   | 7.10% | Materials Engineer of the People: Beat the assignment "Challenge: KOHCTPYKTOP". | SPACECHEM_05 | 
                
                    | 14 |   | 6.80% | Cost Control Specialist: Beat the assignment "Falling" using two or fewer reactors. | SPACECHEM_11 | 
                
                    | 15 |   | 6.50% | Senior Performance Specialist: Beat the assignment "Σ-Ethylene" in under 6000 cycles. | SPACECHEM_09 | 
                
                    | 16 |   | 6.30% | Senior Efficiency Specialist: Beat the assignment "Molecular Foundry" using two or fewer reactors. | SPACECHEM_12 | 
                
                    | 17 |   | 6.10% | Junior Publication Reviewer: Beat 10 published ResearchNet assignments. | SPACECHEM_RN_2 | 
                
                    | 18 |   | 6.10% | Chief Executive Officer: Beat the game! | SPACECHEM_01 | 
                
                    | 19 |   | 5.90% | Distinguished Publication Reviewer: Beat 20 published ResearchNet assignments. | SPACECHEM_RN_3 | 
                
                    | 20 |   | 5.70% | Interstellar Transportation Specialist: Beat the assignment "Collapsar" in the 63 Corvi campaign. | SPACECHEM_13 |