【實用解謎app】Drill UFO|最夯免費app

How to play a Drill Invader

　１．Please touch a "start" button after reading an

explanatory note.

　２．Please touch a "Go" button, after a game screen

appears. A game starts.

　３．After formula UFO appears, please touch "←""→"

button and move an attacker (▲)to just under UFO.

　４．Please touch the "Attcker" button after making the

answer of calculation using ten key.

　５．UFO can be shot down if an answer is right.

　６．If you touch a "continue" button, you can go to the

next stage.

　７．If you go to the next stage, the speed of UFO will

rise or the number of UFOs will increase.

A Drill Invader's feature

　１．An arithmetical basic problem is set.

　２．If a stage rises, time required for calculation will

become short.

３．If a stage rises, the problem displayed simultaneously

in creases.

　３．A high score will be obtained if UFO is shot down in a

high position.

　４．The number of problem is 78questions(6 stage).

Those who should do a Drill Invader

　The person of all the ages which person be able to use

division and multiplication.

　Please use for the rise of your calculating ability, or

maintenance of calculating ability.

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