1
Draw cards
Each player draws 1 card from each deck to create a hand of 4 cards
2
Handle empty decks
Shuffle in discards if not enough cards; if still not enough, all players discard down to 4 of that color
3
Select cards simultaneously
All players place a card face-down, then reveal
4
Use selected cards
Choose one option per card:
5
Pass remaining cards
Pass cards in the direction of the token and repeat until no cards remain
6
Spend cogs to reduce dice
Each Cog allows reduction of 1 die by 1 or 2 pips, or 2 dice by 1 pip each
7
Remove empty dice
If a die is reduced to 0, discard it from the slot
8
Play vent-specific boosts
Resolve Boost cards that must be played during Vent Phase in order determined by play direction token, one player at a time
9
Optionally play normal boosts
Normal Boost cards can be resolved at this time
10
Roll dice
Roll all dice in your Dice Pool and dice stored in diamond-shaped die storage slots
11
Spend cogs for rerolls
Any time during Race Phase, discard a Cog to re-roll a die or increase a die by 1 pip (maximum 6)
12
Activate machine parts
Place dice of matching color from pool into a Machine Part
13
Calculate activations
Sum total pips placed this turn and divide by the icon number (truncate remainder); perform the Race Effect that many times
14
Minimum activation rule
Can only place dice if they allow activation at least once; parts with "1+" activation power can only perform once
15
Use light bulb parts
Parts with the light bulb symbol are activated by flipping your Light Bulb to the "off" side
16
Resolve terrain damage
When entering a space with a Terrain icon, apply damage equal to the number shown; moving backward does not inflict Terrain Damage
17
Check damage gauge
If Damage Gauge is 0 or higher, do not adjust
18
Resolve negative damage
If below 0, discard Machine Parts equal to the number shown in red on the Damage Gauge, then reset to 0
19
Handle explosion
If forced to discard Inventor Cockpit, move pawn 1 space behind last place player, discard all Machine Parts except Cockpit, and reset Damage Gauge to 0
20
Reset light bulb
Flip Light Bulb to "On"
21
Store dice
May place a die in each Storage Die Slot from your dice pool
22
Return unused dice
Return unused dice in your dice pool to the supply (keep Cogs)
23
Flip direction token
Reverse the Play Direction Token
24
Maintain connections
All parts must connect to Cockpit through complete valve connections, but not all valves need to connect
25
Rearrange freely
At any time, you can rearrange your Invention and discard unconnected or unwanted parts (also discard placed dice)
26
Protect cockpit
Cannot discard your Cockpit; if you discard your Inventor Machine Part, return it to the box
27
Orient correctly
All parts must be placed with the name in the upper-left corner