Frostline Hold

Hold a frozen fortress in a two-tone engraving style: build towers, upgrade them, call in a hero, and stop wave after wave.

• 22 levels — 8 chapters from Frostline Pass to the Rime Citadel, with 2 interludes after each. The campaign map is a long scroll you drag, and every map has its own living scenery.

• 7 towers — Guard, Frost, Siege, Storm, Rune, Barracks and Ember. They unlock as you advance, each with two upgrade paths.

• 15 enemies — including two bosses, the Mine Wyrm and the Frost King, plus armoured champions that ignore crowd control.

• The Warden — a hero you can summon, with a frost nova.

• Animated title screen, an ending, separate title and boss themes. Chinese and English.

Originally made for the ESP-Mosaico handheld (480×480 touchscreen).

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霜线要塞：用双色版画风格守住冰原上的要塞。建塔、升级、召唤英雄，挡住一波又一波的怪物。

• 22 个关卡，8 个章节，章节之间各有 2 个过程关

• 7 种防御塔，每种两条升级路线

• 15 种敌人，包括矿洞巨蠕和冰封之王两个首领

• 英雄霜卫，可以释放冰霜新星

• 中英双语