Upward!

It's an experimental game combining deck-building with +-×÷

When you put a num-card in a cell, it will be activated and use the operator between adjacent cells to update the number in each cells.

Generating number matching the lock to unlock new floor, put matching number in cell with gold-sign to earn extra gold.

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Introduction
0. Win condtion: reach the 20th floor; Lose condtion: drop out of play OR run out of gold and hand-cards;
1. The cards at the bottom are your hand-cards (5 cards max), you can place hand-cards in play;
2. The cards at the top are shop-cards, it will remove the 2 cards at left each time you play a hand-card;
3. The symbol on cards could override the symbol in the play;
4. The green "refresh" button will refresh both hand-card and shop-cards; (Price:1 gold)
5. The red "X" button would let you destroy a hand-card (Price: 3 gold)
6. The location button will let you move your position to any place (Price: 5 gold)
7. The map will automatically move upward by one row after several refreshs, so don't stay in the bottom row for too long;
8. You can unlock the new floor by generating required number in *ANY* cell
9. Some cells have gold, you need to generate required number in *THAT* cell to get that;

Strategy guide:

1. Collect gold in early floors; Place card in gold cell early then put other cards around that cell to pile up the number;
2. Remove most of the early cards from your deck;
3. Buy big cards, it's best to have multiply sign;
4. Plan your path, don't waste gold on jumping to far cells;