diff --git a/29_day/Makefile b/29_day/Makefile
index 1963c4e..f92b3d5 100644
--- a/29_day/Makefile
+++ b/29_day/Makefile
@@ -22,7 +22,7 @@ haribote.img : haribote/ipl20.bin haribote/haribote.sys Makefile \
 		beepdown/beepdown.hrb color/color.hrb color2/color2.hrb \
 		sosu/sosu.hrb sosu2/sosu2.hrb sosu3/sosu3.hrb \
 		type/type.hrb iroha/iroha.hrb chklang/chklang.hrb \
-		notrec/notrec.hrb bball/bball.hrb
+		notrec/notrec.hrb bball/bball.hrb invader/invader.hrb
 	$(EDIMG)   imgin:../z_tools/fdimg0at.tek \
 		wbinimg src:haribote/ipl20.bin len:512 from:0 to:0 \
 		copy from:haribote/haribote.sys to:@: \
@@ -53,6 +53,7 @@ haribote.img : haribote/ipl20.bin haribote/haribote.sys Makefile \
 		copy from:euc.txt to:@: \
 		copy from:notrec/notrec.hrb to:@: \
 		copy from:bball/bball.hrb to:@: \
+		copy from:invader/invader.hrb to:@: \
 		copy from:nihongo/nihongo.fnt to:@: \
 		imgout:haribote.img
 
@@ -94,6 +95,7 @@ full :
 	$(MAKE) -C chklang
 	$(MAKE) -C notrec
 	$(MAKE) -C bball
+	$(MAKE) -C invader
 	$(MAKE) haribote.img
 
 run_full :
@@ -143,6 +145,7 @@ clean_full :
 	$(MAKE) -C chklang		clean
 	$(MAKE) -C notrec		clean
 	$(MAKE) -C bball		clean
+	$(MAKE) -C invader		clean
 
 src_only_full :
 	$(MAKE) -C haribote		src_only
@@ -171,6 +174,7 @@ src_only_full :
 	$(MAKE) -C chklang		src_only
 	$(MAKE) -C notrec		src_only
 	$(MAKE) -C bball		src_only
+	$(MAKE) -C invader		src_only
 	-$(DEL) haribote.img
 
 refresh :
diff --git a/29_day/invader/!cons_9x.bat b/29_day/invader/!cons_9x.bat
new file mode 100644
index 0000000..e42252a
--- /dev/null
+++ b/29_day/invader/!cons_9x.bat
@@ -0,0 +1 @@
+command
\ No newline at end of file
diff --git a/29_day/invader/!cons_nt.bat b/29_day/invader/!cons_nt.bat
new file mode 100644
index 0000000..6e07473
--- /dev/null
+++ b/29_day/invader/!cons_nt.bat
@@ -0,0 +1 @@
+cmd.exe
\ No newline at end of file
diff --git a/29_day/invader/Makefile b/29_day/invader/Makefile
new file mode 100644
index 0000000..a60ffdb
--- /dev/null
+++ b/29_day/invader/Makefile
@@ -0,0 +1,5 @@
+APP      = invader
+STACK    = 90k
+MALLOC   = 0k
+
+include ../app_make.txt
diff --git a/29_day/invader/invader.c b/29_day/invader/invader.c
new file mode 100644
index 0000000..d26d3b1
--- /dev/null
+++ b/29_day/invader/invader.c
@@ -0,0 +1,281 @@
+#include <stdio.h>		/* sprintf */
+#include <string.h>		/* strlen */
+#include "apilib.h"
+
+void putstr(int win, char *winbuf, int x, int y, int col, unsigned char *s);
+void wait(int i, int timer, char *keyflag);
+
+static unsigned char charset[16 * 8] = {
+
+	/* invader(0) */
+	0x00, 0x00, 0x00, 0x43, 0x5f, 0x5f, 0x5f, 0x7f,
+	0x1f, 0x1f, 0x1f, 0x1f, 0x00, 0x20, 0x3f, 0x00,
+
+	/* invader(1) */
+	0x00, 0x0f, 0x7f, 0xff, 0xcf, 0xcf, 0xcf, 0xff,
+	0xff, 0xe0, 0xff, 0xff, 0xc0, 0xc0, 0xc0, 0x00,
+
+	/* invader(2) */
+	0x00, 0xf0, 0xfe, 0xff, 0xf3, 0xf3, 0xf3, 0xff,
+	0xff, 0x07, 0xff, 0xff, 0x03, 0x03, 0x03, 0x00,
+
+	/* invader(3) */
+	0x00, 0x00, 0x00, 0xc2, 0xfa, 0xfa, 0xfa, 0xfe,
+	0xf8, 0xf8, 0xf8, 0xf8, 0x00, 0x04, 0xfc, 0x00,
+
+	/* fighter(0) */
+	0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x43, 0x47, 0x4f, 0x5f, 0x7f, 0x7f, 0x00,
+
+	/* fighter(1) */
+	0x18, 0x7e, 0xff, 0xc3, 0xc3, 0xc3, 0xc3, 0xff,
+	0xff, 0xff, 0xe7, 0xe7, 0xe7, 0xe7, 0xff, 0x00,
+
+	/* fighter(2) */
+	0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+	0x80, 0xc2, 0xe2, 0xf2, 0xfa, 0xfe, 0xfe, 0x00,
+
+	/* laser */
+	0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+	0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00
+};
+/* invader:"abcd", fighter:"efg", laser:"h" */
+
+void HariMain(void)
+{
+	/*
+		fx：自机的x坐标（fighter_x）
+		lx,ly：等离子炮弹的坐标（laser_x,laser_y）
+		ix,iy：外星人群的坐标（invaders_x,in-vaders_y）
+		idir：外星人群的移动方向（invaders_direc-tion）
+		laserwait：等离子炮弹的剩余充电时间
+		movewait：当这个变量变为0时外星人群前进一步
+		movewait0：movewait的初始值（消灭30只敌人后减少）
+		invline：外星人群的行数（invaders_line）
+		score：当前得分
+		high：最高得分
+		point：得分的增加量（奖金的单价？）
+		invstr：将外星人群的状态显示为字符串的变量
+	*/
+
+	int win, timer, i, j, fx, laserwait, lx = 0, ly;
+	int ix, iy, movewait0, movewait, idir;
+	int invline, score, high, point;
+	char winbuf[336 * 261], invstr[32 * 6], s[12], keyflag[4], *p;
+	static char invstr0[32] = " abcd abcd abcd abcd abcd ";
+
+	win = api_openwin(winbuf, 336, 261, -1, "invader");
+	api_boxfilwin(win, 6, 27, 329, 254, 0);
+	timer = api_alloctimer();
+	api_inittimer(timer, 128);
+
+	high = 0;
+	putstr(win, winbuf, 22, 0, 7, "HIGH:00000000");
+
+restart:
+	score = 0;
+	point = 1;
+	putstr(win, winbuf,  4, 0, 7, "SCORE:00000000");
+	movewait0 = 20;
+	fx = 18;
+	putstr(win, winbuf, fx, 13, 6, "efg");
+	wait(100, timer, keyflag);
+
+next_group:
+	wait(100, timer, keyflag);
+	ix = 7;
+	iy = 1;
+	invline = 6;
+	for (i = 0; i < 6; i++) {
+		for (j = 0; j < 27; j++) {
+			invstr[i * 32 + j] = invstr0[j];
+		}
+		putstr(win, winbuf, ix, iy + i, 2, invstr + i * 32);
+	}
+	keyflag[0] = 0;
+	keyflag[1] = 0;
+	keyflag[2] = 0;
+
+	ly = 0; /*不显示*/
+	laserwait = 0;
+	movewait = movewait0;
+	idir = +1;
+	wait(100, timer, keyflag);
+
+	for (;;) {
+		if (laserwait != 0) {
+			laserwait--;
+			keyflag[2 /* space */] = 0;
+		}
+
+		wait(4, timer, keyflag);
+
+		 /*自机的处理*/
+		if (keyflag[0 /* left */]  != 0 && fx > 0) {
+			fx--;
+			putstr(win, winbuf, fx, 13, 6, "efg ");
+			keyflag[0 /* left */]  = 0;
+		}
+		if (keyflag[1 /* right */] != 0 && fx < 37) {
+			putstr(win, winbuf, fx, 13, 6, " efg");
+			fx++;
+			keyflag[1 /* right */] = 0;
+		}
+		if (keyflag[2 /* space */] != 0 && laserwait == 0) {
+			laserwait = 15;
+			lx = fx + 1;
+			ly = 13;
+		}
+
+		/*外星人移动*/
+		if (movewait != 0) {
+			movewait--;
+		} else {
+			movewait = movewait0;
+			if (ix + idir > 14 || ix + idir < 0) {
+				if (iy + invline == 13) {
+					break; /* GAME OVER */
+				}
+				idir = - idir;
+				putstr(win, winbuf, ix + 1, iy, 0, "                         ");
+				iy++;
+			} else {
+				ix += idir;
+			}
+			for (i = 0; i < invline; i++) {
+				putstr(win, winbuf, ix, iy + i, 2, invstr + i * 32);
+			}
+		}
+
+		/*炮弹处理*/
+		if (ly > 0) {
+			if (ly < 13) {
+				if (ix < lx && lx < ix + 25 && iy <= ly && ly < iy + invline) {
+					putstr(win, winbuf, ix, ly, 2, invstr + (ly - iy) * 32);
+				} else {
+					putstr(win, winbuf, lx, ly, 0, " ");
+				}
+			}
+			ly--;
+			if (ly > 0) {
+				putstr(win, winbuf, lx, ly, 3, "h");
+			} else {
+				point -= 10;
+				if (point <= 0) {
+					point = 1;
+				}
+			}
+			if (ix < lx && lx < ix + 25 && iy <= ly && ly < iy + invline) {
+				p = invstr + (ly - iy) * 32 + (lx - ix);
+				if (*p != ' ') {
+					/* hit ! */
+					score += point;
+					point++;
+					sprintf(s, "%08d", score);
+					putstr(win, winbuf, 10, 0, 7, s);
+					if (high < score) {
+						high = score;
+						putstr(win, winbuf, 27, 0, 7, s);
+					}
+					for (p--; *p != ' '; p--) { }
+					for (i = 1; i < 5; i++) {
+						p[i] = ' ';
+					}
+					putstr(win, winbuf, ix, ly, 2, invstr + (ly - iy) * 32);
+					for (; invline > 0; invline--) {
+						for (p = invstr + (invline - 1) * 32; *p != 0; p++) {
+							if (*p != ' ') {
+								goto alive;
+							}
+						}
+					}
+					/*全部消灭*/
+					movewait0 -= movewait0 / 3;
+					goto next_group;
+	alive:
+					ly = 0;
+				}
+			}
+		}
+	}
+
+	/* GAME OVER */
+	putstr(win, winbuf, 15, 6, 1, "GAME OVER");
+	wait(0, timer, keyflag);
+	for (i = 1; i < 14; i++) {
+		putstr(win, winbuf, 0, i, 0, "                                        ");
+	}
+	goto restart;
+}
+
+void putstr(int win, char *winbuf, int x, int y, int col, unsigned char *s)
+{
+	int c, x0, i;
+	char *p, *q, t[2];
+	x = x * 8 + 8;
+	y = y * 16 + 29;
+	x0 = x;
+	i = strlen(s);	/*计算s的字符数*/
+	api_boxfilwin(win + 1, x, y, x + i * 8 - 1, y + 15, 0);
+	q = winbuf + y * 336;
+	t[1] = 0;
+	for (;;) {
+		c = *s;
+		if (c == 0) {
+			break;
+		}
+		if (c != ' ') {
+			if ('a' <= c && c <= 'h') {
+				p = charset + 16 * (c - 'a');
+				q += x;
+				for (i = 0; i < 16; i++) {
+					if ((p[i] & 0x80) != 0) { q[0] = col; }
+					if ((p[i] & 0x40) != 0) { q[1] = col; }
+					if ((p[i] & 0x20) != 0) { q[2] = col; }
+					if ((p[i] & 0x10) != 0) { q[3] = col; }
+					if ((p[i] & 0x08) != 0) { q[4] = col; }
+					if ((p[i] & 0x04) != 0) { q[5] = col; }
+					if ((p[i] & 0x02) != 0) { q[6] = col; }
+					if ((p[i] & 0x01) != 0) { q[7] = col; }
+					q += 336;
+				}
+				q -= 336 * 16 + x;
+			} else {
+				t[0] = *s;
+				api_putstrwin(win + 1, x, y, col, 1, t);
+			}
+		}
+		s++;
+		x += 8;
+	}
+	api_refreshwin(win, x0, y, x, y + 16);
+	return;
+}
+
+void wait(int i, int timer, char *keyflag)
+{
+	int j;
+	if (i > 0) {
+		/*等待一段时间*/
+		api_settimer(timer, i);
+		i = 128;
+	} else {
+		i = 0x0a; /* Enter */
+	}
+	for (;;) {
+		j = api_getkey(1);
+		if (i == j) {
+			break;
+		}
+		if (j == '4') {
+			keyflag[0 /* left */]  = 1;
+		}
+		if (j == '6') {
+			keyflag[1 /* right */] = 1;
+		}
+		if (j == ' ') {
+			keyflag[2 /* space */] = 1;
+		}
+	}
+	return;
+}
diff --git a/29_day/invader/make.bat b/29_day/invader/make.bat
new file mode 100644
index 0000000..6b0dbfc
--- /dev/null
+++ b/29_day/invader/make.bat
@@ -0,0 +1 @@
+..\..\z_tools\make.exe %1 %2 %3 %4 %5 %6 %7 %8 %9
\ No newline at end of file