Each player embodies a wood spirit. The game takes place on a hexagonal grid representing the forest.
The game is played over several rounds called days. Each day can be made up of several game turns. On each turn, both players perform one action simultaneously.
The forest is made up of 37
hexagonal cells, arranged to form a larger hexagon.
Each cell has an index
and up to six neighbors. Each direction is labelled 0
The distance between two cells equals the minimum number of cells to go through to get from one to the other.
Each cell may contain a tree. Each tree is owned by one of the players and has a size:
0 for a seed.
1 for a small tree.
2 for a medium tree.
3 for a large tree.
Each cell has a richness
which can be:
0 for unusable cells. Nothing can grow on them.
1 for low quality soil.
2 for medium quality soil.
3 for high quality soil.
At the start of each day, players receive sun points.
Then, players take actions by spending their sun points.
The day ends when both players stop taking actions.
More information on sun points and actions further down.
Sun & Shadows
Each tree casts a shadow that affects a number of cells based on its size:
- Size 1 trees cast a shadow 1 cell long.
- Size 2 trees cast a shadow 2 cells long.
- Size 3 trees cast a shadow 3 cells long.
The direction of a shadow depends on which direction the sun is currently pointing towards.
On day 0, the sun is pointing towards direction 0, meaning all shadows are being cast to the right.
In between each day, the sun moves to point towards the next direction, coming back to 0 after passing 5.
The sun's direction will therefore always be equal to the current day modulo 6.
Helping the wood spirits are lesser spirits hiding among all the trees.
They will find the shadow on a cell spooky if any of the trees casting a shadow is of equal or greater size than the tree on that cell.
The medium tree casts a spooky shadow on the small tree.
The medium tree casts a shadow that is not spooky on the tall tree.
The medium tree casts a spooky shadow on the other medium tree, even if it is on the last cell of its shadow.
The forest's lesser spirits will harvest sun points from each tree that is not hit by a spooky shadow.
The points will be given to the owner of the tree.
The number of sun points harvested depends on the size of the tree:
- A size 0 tree (a seed): no points.
- A size 1 tree: 1 sun point.
- A size 2 tree: 2 sun points.
- A size 3 tree: 3 sun points.
A sun point
After collecting sun points, both players take simultaneous turns performing one of four possible actions.
As long as you have enough sun points, you can take any number of actions.
The possible actions are:
SEED: Command a tree to eject a seed onto a cell within distance equal to the tree's size.
GROW: Command a seed or tree to grow into the next size. Trees can grow up to size 3
COMPLETE: Command a tree to complete its lifecycle. This removes the tree from the forest and scores you points. More information about points further down.
WAIT: Spend the rest of the day asleep. When both players are asleep, a new day begins and the players are awoken.
Any tree impacted by one of your actions becomes dormant
for the rest of the day. A dormant tree cannot be the subject of an action.
A dormant tree
To perform a seed action, you must pay sun points equal to the number of seeds (size 0 trees) you already own in the forest.
You may not send a seed onto an unusable cell or a cell already containing a tree.
Performing this action impacts both the source tree and the planted seed. Meaning both trees will be dormant until the next day.
If both players send a seed to the same place on the same turn, neither seed is planted and the sun points are refunded. The source tree, however, still becomes dormant.
Planting a seed
- Growing a seed into a size 1 tree costs 1 sun point + the number of size 1 trees you already own.
- Growing a size 1 tree into a size 2 tree costs 3 sun points + the number of size 2 trees you already own.
- Growing a size 2 tree into a size 3 tree costs 7 sun points + the number of size 3 trees you already own.
Growing a tree
Completing a tree's lifecycle requires 4 sun points.
You can only complete the lifecycle of a size 3 tree.
The forest starts with a nutrient
value of 20
Completing a tree's lifecycle will award you with as many points as the current nutrient
value + a bonus according to the richness
of the cell:
1: +0 points.
2: +2 points.
3: +4 points.
Then, the nutrient
value is decreased permanently by 1
⛔ Game end
The game lasts the time it takes for the sun to circle around the board 4 times. This means players have 24 days to play.
Players gain an extra 1 point for every 3 sun points they have at the end of the game.
If players have the same score, the winner is the player with the most trees in the forest. Note that a seed is also considered a tree.
The winner is the player with the most points.
Your program does not provide a command in the allotted time or it provides an unrecognized command.
🐞 Debugging tips
- Hover over a cell to see extra information about it
- Append text after any command and that text will appear next to your wood spirit
- Press the gear icon on the viewer to access extra display options
- Use the keyboard to control the action: space to play/pause, arrows to step 1 frame at a time